56926720739407 has 2 divisors, whose sum is σ = 56926720739408. Its totient is φ = 56926720739406.

The previous prime is 56926720739389. The next prime is 56926720739429. The reversal of 56926720739407 is 70493702762965.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56926720739407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56926720739467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28463360369703 + 28463360369704.

It is an arithmetic number, because the mean of its divisors is an integer number (28463360369704).

Almost surely, 2^{56926720739407} is an apocalyptic number.

56926720739407 is a deficient number, since it is larger than the sum of its proper divisors (1).

56926720739407 is an equidigital number, since it uses as much as digits as its factorization.

56926720739407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240045120, while the sum is 67.

The spelling of 56926720739407 in words is "fifty-six trillion, nine hundred twenty-six billion, seven hundred twenty million, seven hundred thirty-nine thousand, four hundred seven".