64514152099 has 2 divisors, whose sum is σ = 64514152100. Its totient is φ = 64514152098.

The previous prime is 64514152097. The next prime is 64514152139. The reversal of 64514152099 is 99025141546.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64514152099 - 2¹ = 64514152097 is a prime.

It is a super-2 number, since 2×64514152099² (a number of 22 digits) contains 22 as substring.

Together with 64514152097, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (64514152097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32257076049 + 32257076050.

It is an arithmetic number, because the mean of its divisors is an integer number (32257076050).

Almost surely, 2^64514152099 is an apocalyptic number.

64514152099 is a deficient number, since it is larger than the sum of its proper divisors (1).

64514152099 is an equidigital number, since it uses as much as digits as its factorization.

64514152099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 64514152099 in words is "sixty-four billion, five hundred fourteen million, one hundred fifty-two thousand, ninety-nine".