64116002149 has 2 divisors, whose sum is σ = 64116002150. Its totient is φ = 64116002148.

The previous prime is 64116002143. The next prime is 64116002179. The reversal of 64116002149 is 94120061146.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61067305924 + 3048696225 = 247118^2 + 55215^2 .

It is a cyclic number.

It is not a de Polignac number, because 64116002149 - 2²¹ = 64113904997 is a prime.

It is a super-2 number, since 2×64116002149² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64116002143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32058001074 + 32058001075.

It is an arithmetic number, because the mean of its divisors is an integer number (32058001075).

Almost surely, 2^64116002149 is an apocalyptic number.

It is an amenable number.

64116002149 is a deficient number, since it is larger than the sum of its proper divisors (1).

64116002149 is an equidigital number, since it uses as much as digits as its factorization.

64116002149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 64116002149 in words is "sixty-four billion, one hundred sixteen million, two thousand, one hundred forty-nine".