667462983479 has 2 divisors, whose sum is σ = 667462983480. Its totient is φ = 667462983478.

The previous prime is 667462983419. The next prime is 667462983487. The reversal of 667462983479 is 974389264766.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-667462983479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (667462983419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333731491739 + 333731491740.

It is an arithmetic number, because the mean of its divisors is an integer number (333731491740).

Almost surely, 2^667462983479 is an apocalyptic number.

667462983479 is a deficient number, since it is larger than the sum of its proper divisors (1).

667462983479 is an equidigital number, since it uses as much as digits as its factorization.

667462983479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 658409472, while the sum is 71.

The spelling of 667462983479 in words is "six hundred sixty-seven billion, four hundred sixty-two million, nine hundred eighty-three thousand, four hundred seventy-nine".