62660442491 has 4 divisors (see below), whose sum is σ = 62860635912. Its totient is φ = 62460249072.

The previous prime is 62660442469. The next prime is 62660442503. The reversal of 62660442491 is 19424406626.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-62660442491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (62660442421) 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 3 ways as a sum of consecutive naturals, for example, 100096241 + ... + 100096866.

It is an arithmetic number, because the mean of its divisors is an integer number (15715158978).

Almost surely, 2^62660442491 is an apocalyptic number.

62660442491 is a deficient number, since it is larger than the sum of its proper divisors (200193421).

62660442491 is a wasteful number, since it uses less digits than its factorization.

62660442491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200193420.

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 62660442491 in words is "sixty-two billion, six hundred sixty million, four hundred forty-two thousand, four hundred ninety-one".