1057769259 has 16 divisors (see below), whose sum is σ = 1456834560. Its totient is φ = 681972480.

The previous prime is 1057769213. The next prime is 1057769261. The reversal of 1057769259 is 9529677501.

It is not a de Polignac number, because 1057769259 - 2¹⁹ = 1057244971 is a prime.

It is a super-2 number, since 2×1057769259² = 2237751610570818162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1057769059) 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, 184762 + ... + 190400.

It is an arithmetic number, because the mean of its divisors is an integer number (91052160).

Almost surely, 2^1057769259 is an apocalyptic number.

1057769259 is a deficient number, since it is larger than the sum of its proper divisors (399065301).

1057769259 is a wasteful number, since it uses less digits than its factorization.

1057769259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7690.

The product of its (nonzero) digits is 1190700, while the sum is 51.

The square root of 1057769259 is about 32523.3648166975. The cubic root of 1057769259 is about 1018.8970709975.

The spelling of 1057769259 in words is "one billion, fifty-seven million, seven hundred sixty-nine thousand, two hundred fifty-nine".