61940008573 has 8 divisors (see below), whose sum is σ = 64939375296. Its totient is φ = 58966168800.

The previous prime is 61940008567. The next prime is 61940008609. The reversal of 61940008573 is 37580004916.

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

It is a cyclic number.

It is not a de Polignac number, because 61940008573 - 2⁹ = 61940008061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61940008523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6376768 + ... + 6386473.

It is an arithmetic number, because the mean of its divisors is an integer number (8117421912).

Almost surely, 2^61940008573 is an apocalyptic number.

It is an amenable number.

61940008573 is a deficient number, since it is larger than the sum of its proper divisors (2999366723).

61940008573 is a wasteful number, since it uses less digits than its factorization.

61940008573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12763475.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 61940008573 in words is "sixty-one billion, nine hundred forty million, eight thousand, five hundred seventy-three".