61484707731 has 8 divisors (see below), whose sum is σ = 86294326720. Its totient is φ = 38832446952.

The previous prime is 61484707723. The next prime is 61484707733. The reversal of 61484707731 is 13770748416.

61484707731 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 not a de Polignac number, because 61484707731 - 2³ = 61484707723 is a prime.

It is a super-2 number, since 2×61484707731² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61484707733) 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, 539339485 + ... + 539339598.

It is an arithmetic number, because the mean of its divisors is an integer number (10786790840).

Almost surely, 2^61484707731 is an apocalyptic number.

61484707731 is a deficient number, since it is larger than the sum of its proper divisors (24809618989).

61484707731 is a wasteful number, since it uses less digits than its factorization.

61484707731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078679105.

The product of its (nonzero) digits is 790272, while the sum is 48.

The spelling of 61484707731 in words is "sixty-one billion, four hundred eighty-four million, seven hundred seven thousand, seven hundred thirty-one".