61652492904623 has 4 divisors (see below), whose sum is σ = 61781203746240. Its totient is φ = 61523782063008.

The previous prime is 61652492904619. The next prime is 61652492904661. The reversal of 61652492904623 is 32640929425616.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61652492904623 - 2² = 61652492904619 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 (61652492904923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64355420090 + ... + 64355421047.

It is an arithmetic number, because the mean of its divisors is an integer number (15445300936560).

Almost surely, 2^{61652492904623} is an apocalyptic number.

61652492904623 is a deficient number, since it is larger than the sum of its proper divisors (128710841617).

61652492904623 is a wasteful number, since it uses less digits than its factorization.

61652492904623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128710841616.

The product of its (nonzero) digits is 33592320, while the sum is 59.

The spelling of 61652492904623 in words is "sixty-one trillion, six hundred fifty-two billion, four hundred ninety-two million, nine hundred four thousand, six hundred twenty-three".