1097913474431 has 2 divisors, whose sum is σ = 1097913474432. Its totient is φ = 1097913474430.

The previous prime is 1097913474403. The next prime is 1097913474499. The reversal of 1097913474431 is 1344743197901.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1097913474431 is a prime.

It is a super-2 number, since 2×1097913474431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1097913444431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548956737215 + 548956737216.

It is an arithmetic number, because the mean of its divisors is an integer number (548956737216).

Almost surely, 2^{1097913474431} is an apocalyptic number.

1097913474431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1097913474431 is an equidigital number, since it uses as much as digits as its factorization.

1097913474431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The spelling of 1097913474431 in words is "one trillion, ninety-seven billion, nine hundred thirteen million, four hundred seventy-four thousand, four hundred thirty-one".