2357640469 has 2 divisors, whose sum is σ = 2357640470. Its totient is φ = 2357640468.

The previous prime is 2357640451. The next prime is 2357640611. The reversal of 2357640469 is 9640467532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2355937444 + 1703025 = 48538^2 + 1305^2 .

It is a cyclic number.

It is not a de Polignac number, because 2357640469 - 2¹⁵ = 2357607701 is a prime.

It is a super-2 number, since 2×2357640469² = 11116937162133079922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2357640449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1178820234 + 1178820235.

It is an arithmetic number, because the mean of its divisors is an integer number (1178820235).

Almost surely, 2^2357640469 is an apocalyptic number.

It is an amenable number.

2357640469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2357640469 is an equidigital number, since it uses as much as digits as its factorization.

2357640469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The square root of 2357640469 is about 48555.5400443657. The cubic root of 2357640469 is about 1330.9421912193.

The spelling of 2357640469 in words is "two billion, three hundred fifty-seven million, six hundred forty thousand, four hundred sixty-nine".