511448914967 has 2 divisors, whose sum is σ = 511448914968. Its totient is φ = 511448914966.

The previous prime is 511448914927. The next prime is 511448914973. The reversal of 511448914967 is 769419844115.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-511448914967 is a prime.

It is a super-2 number, since 2×511448914967² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (511448914927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255724457483 + 255724457484.

It is an arithmetic number, because the mean of its divisors is an integer number (255724457484).

Almost surely, 2^511448914967 is an apocalyptic number.

511448914967 is a deficient number, since it is larger than the sum of its proper divisors (1).

511448914967 is an equidigital number, since it uses as much as digits as its factorization.

511448914967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 59.

The spelling of 511448914967 in words is "five hundred eleven billion, four hundred forty-eight million, nine hundred fourteen thousand, nine hundred sixty-seven".