4521564651254 has 64 divisors (see below), whose sum is σ = 8170112397312. Its totient is φ = 1836111628800.

The previous prime is 4521564651251. The next prime is 4521564651319.

It is a happy number.

4521564651254 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4521564651251) 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, 3819569 + ... + 4861299.

It is an arithmetic number, because the mean of its divisors is an integer number (127658006208).

Almost surely, 2^{4521564651254} is an apocalyptic number.

4521564651254 is a deficient number, since it is larger than the sum of its proper divisors (3648547746058).

4521564651254 is a wasteful number, since it uses less digits than its factorization.

4521564651254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041981.

The product of its digits is 5760000, while the sum is 50.

The spelling of 4521564651254 in words is "four trillion, five hundred twenty-one billion, five hundred sixty-four million, six hundred fifty-one thousand, two hundred fifty-four".