61478902858573 has 8 divisors (see below), whose sum is σ = 63661278074400. Its totient is φ = 59300688512688.

The previous prime is 61478902858547. The next prime is 61478902858591. The reversal of 61478902858573 is 37585820987416.

It is a happy number.

61478902858573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61478902858573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61478902858496 and 61478902858505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61478902858073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1040187411 + ... + 1040246512.

It is an arithmetic number, because the mean of its divisors is an integer number (7957659759300).

It is a 1-persistent number, because it is pandigital, but 2⋅61478902858573 = 122957805717146 is not.

Almost surely, 2^{61478902858573} is an apocalyptic number.

It is an amenable number.

61478902858573 is a deficient number, since it is larger than the sum of its proper divisors (2182375215827).

61478902858573 is a wasteful number, since it uses less digits than its factorization.

61478902858573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080434971.

The product of its (nonzero) digits is 812851200, while the sum is 73.

The spelling of 61478902858573 in words is "sixty-one trillion, four hundred seventy-eight billion, nine hundred two million, eight hundred fifty-eight thousand, five hundred seventy-three".