1274474400997 has 18 divisors (see below), whose sum is σ = 1523703848562. Its totient is φ = 1062882069984.

The previous prime is 1274474400977. The next prime is 1274474401001. The reversal of 1274474400997 is 7990044744721.

It can be written as a sum of positive squares in 3 ways, for example, as 548001153441 + 726473247556 = 740271^2 + 852334^2 .

It is not a de Polignac number, because 1274474400997 - 2²⁷ = 1274340183269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1274474400937) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9432438 + ... + 9566599.

It is an arithmetic number, because the mean of its divisors is an integer number (84650213809).

Almost surely, 2^{1274474400997} is an apocalyptic number.

It is an amenable number.

1274474400997 is a deficient number, since it is larger than the sum of its proper divisors (249229447565).

1274474400997 is an equidigital number, since it uses as much as digits as its factorization.

1274474400997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18999125 (or 18999081 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 58.

The spelling of 1274474400997 in words is "one trillion, two hundred seventy-four billion, four hundred seventy-four million, four hundred thousand, nine hundred ninety-seven".