626970479 has 2 divisors, whose sum is σ = 626970480. Its totient is φ = 626970478.

The previous prime is 626970469. The next prime is 626970503. The reversal of 626970479 is 974079626.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-626970479 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (626970469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313485239 + 313485240.

It is an arithmetic number, because the mean of its divisors is an integer number (313485240).

Almost surely, 2^626970479 is an apocalyptic number.

626970479 is a deficient number, since it is larger than the sum of its proper divisors (1).

626970479 is an equidigital number, since it uses as much as digits as its factorization.

626970479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The square root of 626970479 is about 25039.3785665699. The cubic root of 626970479 is about 855.8855564931.

The spelling of 626970479 in words is "six hundred twenty-six million, nine hundred seventy thousand, four hundred seventy-nine".