655001602979 has 2 divisors, whose sum is σ = 655001602980. Its totient is φ = 655001602978.

The previous prime is 655001602967. The next prime is 655001602987. The reversal of 655001602979 is 979206100556.

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-655001602979 is a prime.

It is not a weakly prime, because it can be changed into another prime (655001602679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327500801489 + 327500801490.

It is an arithmetic number, because the mean of its divisors is an integer number (327500801490).

Almost surely, 2^655001602979 is an apocalyptic number.

655001602979 is a deficient number, since it is larger than the sum of its proper divisors (1).

655001602979 is an equidigital number, since it uses as much as digits as its factorization.

655001602979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1020600, while the sum is 50.

The spelling of 655001602979 in words is "six hundred fifty-five billion, one million, six hundred two thousand, nine hundred seventy-nine".