1053156693 has 16 divisors (see below), whose sum is σ = 1431815616. Its totient is φ = 688321920.

The previous prime is 1053156691. The next prime is 1053156697. The reversal of 1053156693 is 3966513501.

It is not a de Polignac number, because 1053156693 - 2¹ = 1053156691 is a prime.

It is a super-2 number, since 2×1053156693² = 2218278040021392498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053156691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401121 + ... + 403737.

It is an arithmetic number, because the mean of its divisors is an integer number (89488476).

Almost surely, 2^1053156693 is an apocalyptic number.

It is an amenable number.

1053156693 is a deficient number, since it is larger than the sum of its proper divisors (378658923).

1053156693 is a wasteful number, since it uses less digits than its factorization.

1053156693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5204.

The product of its (nonzero) digits is 72900, while the sum is 39.

The square root of 1053156693 is about 32452.3757681930. The cubic root of 1053156693 is about 1017.4138937532.

The spelling of 1053156693 in words is "one billion, fifty-three million, one hundred fifty-six thousand, six hundred ninety-three".