512097953491 has 2 divisors, whose sum is σ = 512097953492. Its totient is φ = 512097953490.

The previous prime is 512097953443. The next prime is 512097953501. The reversal of 512097953491 is 194359790215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 512097953491 - 2⁷ = 512097953363 is a prime.

It is not a weakly prime, because it can be changed into another prime (512097953431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256048976745 + 256048976746.

It is an arithmetic number, because the mean of its divisors is an integer number (256048976746).

Almost surely, 2^512097953491 is an apocalyptic number.

512097953491 is a deficient number, since it is larger than the sum of its proper divisors (1).

512097953491 is an equidigital number, since it uses as much as digits as its factorization.

512097953491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3061800, while the sum is 55.

The spelling of 512097953491 in words is "five hundred twelve billion, ninety-seven million, nine hundred fifty-three thousand, four hundred ninety-one".