56747547374039 has 2 divisors, whose sum is σ = 56747547374040. Its totient is φ = 56747547374038.

The previous prime is 56747547373981. The next prime is 56747547374041. The reversal of 56747547374039 is 93047374574765.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56747547374039 - 2¹² = 56747547369943 is a prime.

Together with 56747547374041, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56747547374069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28373773687019 + 28373773687020.

It is an arithmetic number, because the mean of its divisors is an integer number (28373773687020).

Almost surely, 2^{56747547374039} is an apocalyptic number.

56747547374039 is a deficient number, since it is larger than the sum of its proper divisors (1).

56747547374039 is an equidigital number, since it uses as much as digits as its factorization.

56747547374039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1867017600, while the sum is 71.

The spelling of 56747547374039 in words is "fifty-six trillion, seven hundred forty-seven billion, five hundred forty-seven million, three hundred seventy-four thousand, thirty-nine".