64249268377 has 16 divisors (see below), whose sum is σ = 76557864960. Its totient is φ = 52753111488.

The previous prime is 64249268287. The next prime is 64249268387. The reversal of 64249268377 is 77386294246.

64249268377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64249268377 - 2³¹ = 62101784729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64249268387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1220278 + ... + 1271839.

It is an arithmetic number, because the mean of its divisors is an integer number (4784866560).

Almost surely, 2^64249268377 is an apocalyptic number.

It is an amenable number.

64249268377 is a deficient number, since it is larger than the sum of its proper divisors (12308596583).

64249268377 is a wasteful number, since it uses less digits than its factorization.

64249268377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492280.

The product of its digits is 24385536, while the sum is 58.

The spelling of 64249268377 in words is "sixty-four billion, two hundred forty-nine million, two hundred sixty-eight thousand, three hundred seventy-seven".