264670379 has 2 divisors, whose sum is σ = 264670380. Its totient is φ = 264670378.

The previous prime is 264670337. The next prime is 264670381. The reversal of 264670379 is 973076462.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264670379 is a prime.

Together with 264670381, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (264670309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132335189 + 132335190.

It is an arithmetic number, because the mean of its divisors is an integer number (132335190).

Almost surely, 2^264670379 is an apocalyptic number.

264670379 is a deficient number, since it is larger than the sum of its proper divisors (1).

264670379 is an equidigital number, since it uses as much as digits as its factorization.

264670379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 44.

The square root of 264670379 is about 16268.6932173423. The cubic root of 264670379 is about 642.0494029069.

The spelling of 264670379 in words is "two hundred sixty-four million, six hundred seventy thousand, three hundred seventy-nine".