511006233979 has 2 divisors, whose sum is σ = 511006233980. Its totient is φ = 511006233978.

The previous prime is 511006233977. The next prime is 511006234033. The reversal of 511006233979 is 979332600115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 511006233979 - 2¹ = 511006233977 is a prime.

It is a super-2 number, since 2×511006233979² (a number of 24 digits) contains 22 as substring.

Together with 511006233977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (511006233977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255503116989 + 255503116990.

It is an arithmetic number, because the mean of its divisors is an integer number (255503116990).

Almost surely, 2^511006233979 is an apocalyptic number.

511006233979 is a deficient number, since it is larger than the sum of its proper divisors (1).

511006233979 is an equidigital number, since it uses as much as digits as its factorization.

511006233979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 306180, while the sum is 46.

The spelling of 511006233979 in words is "five hundred eleven billion, six million, two hundred thirty-three thousand, nine hundred seventy-nine".