1613077331057 has 2 divisors, whose sum is σ = 1613077331058. Its totient is φ = 1613077331056.

The previous prime is 1613077331027. The next prime is 1613077331137. The reversal of 1613077331057 is 7501337703161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1521278026801 + 91799304256 = 1233401^2 + 302984^2 .

It is a cyclic number.

It is not a de Polignac number, because 1613077331057 - 2¹² = 1613077326961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1613077330999 and 1613077331017.

It is not a weakly prime, because it can be changed into another prime (1613077331027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806538665528 + 806538665529.

It is an arithmetic number, because the mean of its divisors is an integer number (806538665529).

Almost surely, 2^{1613077331057} is an apocalyptic number.

It is an amenable number.

1613077331057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1613077331057 is an equidigital number, since it uses as much as digits as its factorization.

1613077331057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 277830, while the sum is 44.

The spelling of 1613077331057 in words is "one trillion, six hundred thirteen billion, seventy-seven million, three hundred thirty-one thousand, fifty-seven".