56718929741 has 2 divisors, whose sum is σ = 56718929742. Its totient is φ = 56718929740.

The previous prime is 56718929723. The next prime is 56718929747. The reversal of 56718929741 is 14792981765.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48134166025 + 8584763716 = 219395^2 + 92654^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56718929741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56718929747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28359464870 + 28359464871.

It is an arithmetic number, because the mean of its divisors is an integer number (28359464871).

Almost surely, 2^56718929741 is an apocalyptic number.

It is an amenable number.

56718929741 is a deficient number, since it is larger than the sum of its proper divisors (1).

56718929741 is an equidigital number, since it uses as much as digits as its factorization.

56718929741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7620480, while the sum is 59.

The spelling of 56718929741 in words is "fifty-six billion, seven hundred eighteen million, nine hundred twenty-nine thousand, seven hundred forty-one".