1069472857 has 2 divisors, whose sum is σ = 1069472858. Its totient is φ = 1069472856.

The previous prime is 1069472819. The next prime is 1069472867. The reversal of 1069472857 is 7582749601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 591656976 + 477815881 = 24324^2 + 21859^2 .

It is a cyclic number.

It is not a de Polignac number, because 1069472857 - 2²³ = 1061084249 is a prime.

It is a super-2 number, since 2×1069472857² = 2287544383719484898, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1069472857.

It is not a weakly prime, because it can be changed into another prime (1069472867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534736428 + 534736429.

It is an arithmetic number, because the mean of its divisors is an integer number (534736429).

Almost surely, 2^1069472857 is an apocalyptic number.

It is an amenable number.

1069472857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1069472857 is an equidigital number, since it uses as much as digits as its factorization.

1069472857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 1069472857 is about 32702.7958590699. The cubic root of 1069472857 is about 1022.6411294848.

The spelling of 1069472857 in words is "one billion, sixty-nine million, four hundred seventy-two thousand, eight hundred fifty-seven".