1074395402557 has 4 divisors (see below), whose sum is σ = 1094667013980. Its totient is φ = 1054123791136.

The previous prime is 1074395402539. The next prime is 1074395402629. The reversal of 1074395402557 is 7552045934701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 896299586361 + 178095816196 = 946731^2 + 422014^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1074395402557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1074395402057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10135805632 + ... + 10135805737.

It is an arithmetic number, because the mean of its divisors is an integer number (273666753495).

Almost surely, 2^{1074395402557} is an apocalyptic number.

It is an amenable number.

1074395402557 is a deficient number, since it is larger than the sum of its proper divisors (20271611423).

1074395402557 is an equidigital number, since it uses as much as digits as its factorization.

1074395402557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20271611422.

The product of its (nonzero) digits is 5292000, while the sum is 52.

The spelling of 1074395402557 in words is "one trillion, seventy-four billion, three hundred ninety-five million, four hundred two thousand, five hundred fifty-seven".