1097687862436 has 27 divisors (see below), whose sum is σ = 2111505908043. Its totient is φ = 498938551320.

The previous prime is 1097687862431. The next prime is 1097687862449. The reversal of 1097687862436 is 6342687867901.

The square root of 1097687862436 is 1047706.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1097687862431) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 23025721 + ... + 23073343.

Almost surely, 2^{1097687862436} is an apocalyptic number.

1097687862436 is the 1047706-th square number.

It is an amenable number.

1097687862436 is a deficient number, since it is larger than the sum of its proper divisors (1013818045607).

1097687862436 is an frugal number, since it uses more digits than its factorization.

1097687862436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95272 (or 47636 counting only the distinct ones).

The product of its (nonzero) digits is 146313216, while the sum is 67.

The spelling of 1097687862436 in words is "one trillion, ninety-seven billion, six hundred eighty-seven million, eight hundred sixty-two thousand, four hundred thirty-six".