64928190911 has 2 divisors, whose sum is σ = 64928190912. Its totient is φ = 64928190910.

The previous prime is 64928190863. The next prime is 64928190917. The reversal of 64928190911 is 11909182946.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64928190911 - 2¹⁴ = 64928174527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64928190911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64928190917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32464095455 + 32464095456.

It is an arithmetic number, because the mean of its divisors is an integer number (32464095456).

Almost surely, 2^64928190911 is an apocalyptic number.

64928190911 is a deficient number, since it is larger than the sum of its proper divisors (1).

64928190911 is an equidigital number, since it uses as much as digits as its factorization.

64928190911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 50.

The spelling of 64928190911 in words is "sixty-four billion, nine hundred twenty-eight million, one hundred ninety thousand, nine hundred eleven".