1334645957 has 2 divisors, whose sum is σ = 1334645958. Its totient is φ = 1334645956.

The previous prime is 1334645941. The next prime is 1334645959. The reversal of 1334645957 is 7595464331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 869424196 + 465221761 = 29486^2 + 21569^2 .

It is a cyclic number.

It is not a de Polignac number, because 1334645957 - 2⁴ = 1334645941 is a prime.

It is a super-3 number, since 3×1334645957³ (a number of 28 digits) contains 333 as substring.

Together with 1334645959, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1334645959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 667322978 + 667322979.

It is an arithmetic number, because the mean of its divisors is an integer number (667322979).

Almost surely, 2^1334645957 is an apocalyptic number.

It is an amenable number.

1334645957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1334645957 is an equidigital number, since it uses as much as digits as its factorization.

1334645957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 47.

The square root of 1334645957 is about 36532.8065853145. The cubic root of 1334645957 is about 1101.0034801599.

The spelling of 1334645957 in words is "one billion, three hundred thirty-four million, six hundred forty-five thousand, nine hundred fifty-seven".