1053969657 has 32 divisors (see below), whose sum is σ = 1555255296. Its totient is φ = 630758400.

The previous prime is 1053969629. The next prime is 1053969661. The reversal of 1053969657 is 7569693501.

It is not a de Polignac number, because 1053969657 - 2¹¹ = 1053967609 is a prime.

It is a super-2 number, since 2×1053969657² = 2221704075753395298, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1053969617) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 611557 + ... + 613277.

It is an arithmetic number, because the mean of its divisors is an integer number (48601728).

Almost surely, 2^1053969657 is an apocalyptic number.

It is an amenable number.

1053969657 is a deficient number, since it is larger than the sum of its proper divisors (501285639).

1053969657 is a wasteful number, since it uses less digits than its factorization.

1053969657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161.

The product of its (nonzero) digits is 1530900, while the sum is 51.

The square root of 1053969657 is about 32464.8988447523. The cubic root of 1053969657 is about 1017.6756174323.

The spelling of 1053969657 in words is "one billion, fifty-three million, nine hundred sixty-nine thousand, six hundred fifty-seven".