7919626301057 has 2 divisors, whose sum is σ = 7919626301058. Its totient is φ = 7919626301056.

The previous prime is 7919626300973. The next prime is 7919626301137. The reversal of 7919626301057 is 7501036269197.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7115871018481 + 803755282576 = 2667559^2 + 896524^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7919626301057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7919626300993 and 7919626301011.

It is not a weakly prime, because it can be changed into another prime (7919626301557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3959813150528 + 3959813150529.

It is an arithmetic number, because the mean of its divisors is an integer number (3959813150529).

Almost surely, 2^{7919626301057} is an apocalyptic number.

It is an amenable number.

7919626301057 is a deficient number, since it is larger than the sum of its proper divisors (1).

7919626301057 is an equidigital number, since it uses as much as digits as its factorization.

7919626301057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4286520, while the sum is 56.

The spelling of 7919626301057 in words is "seven trillion, nine hundred nineteen billion, six hundred twenty-six million, three hundred one thousand, fifty-seven".