64153924845 has 32 divisors (see below), whose sum is σ = 112432043520. Its totient is φ = 31092311040.

The previous prime is 64153924831. The next prime is 64153924847. The reversal of 64153924845 is 54842935146.

It is a happy number.

It is not a de Polignac number, because 64153924845 - 2¹² = 64153920749 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64153924847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4330261 + ... + 4345050.

It is an arithmetic number, because the mean of its divisors is an integer number (3513501360).

Almost surely, 2^64153924845 is an apocalyptic number.

It is an amenable number.

64153924845 is a deficient number, since it is larger than the sum of its proper divisors (48278118675).

64153924845 is a wasteful number, since it uses less digits than its factorization.

64153924845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8675365.

The product of its digits is 4147200, while the sum is 51.

The spelling of 64153924845 in words is "sixty-four billion, one hundred fifty-three million, nine hundred twenty-four thousand, eight hundred forty-five".