56758416899 has 2 divisors, whose sum is σ = 56758416900. Its totient is φ = 56758416898.

The previous prime is 56758416887. The next prime is 56758416941. The reversal of 56758416899 is 99861485765.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56758416899 - 2⁸ = 56758416643 is a prime.

It is not a weakly prime, because it can be changed into another prime (56758416829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28379208449 + 28379208450.

It is an arithmetic number, because the mean of its divisors is an integer number (28379208450).

Almost surely, 2^56758416899 is an apocalyptic number.

56758416899 is a deficient number, since it is larger than the sum of its proper divisors (1).

56758416899 is an equidigital number, since it uses as much as digits as its factorization.

56758416899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 130636800, while the sum is 68.

The spelling of 56758416899 in words is "fifty-six billion, seven hundred fifty-eight million, four hundred sixteen thousand, eight hundred ninety-nine".