64706010554 has 4 divisors (see below), whose sum is σ = 97059015834. Its totient is φ = 32353005276.

The previous prime is 64706010533. The next prime is 64706010559. The reversal of 64706010554 is 45501060746.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 61983571225 + 2722439329 = 248965^2 + 52177^2 .

It is not an unprimeable number, because it can be changed into a prime (64706010559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16176502637 + ... + 16176502640.

Almost surely, 2^64706010554 is an apocalyptic number.

64706010554 is a deficient number, since it is larger than the sum of its proper divisors (32353005280).

64706010554 is a wasteful number, since it uses less digits than its factorization.

64706010554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32353005279.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 64706010554 in words is "sixty-four billion, seven hundred six million, ten thousand, five hundred fifty-four".