654438195 has 48 divisors (see below), whose sum is σ = 1157738400. Its totient is φ = 341890560.

The previous prime is 654438173. The next prime is 654438209. The reversal of 654438195 is 591834456.

It is not a de Polignac number, because 654438195 - 2⁶ = 654438131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 654438195.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1149871 + ... + 1150439.

It is an arithmetic number, because the mean of its divisors is an integer number (24119550).

Almost surely, 2^654438195 is an apocalyptic number.

654438195 is a deficient number, since it is larger than the sum of its proper divisors (503300205).

654438195 is a wasteful number, since it uses less digits than its factorization.

654438195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060 (or 1057 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 654438195 is about 25581.9896606968. The cubic root of 654438195 is about 868.2061930072.

The spelling of 654438195 in words is "six hundred fifty-four million, four hundred thirty-eight thousand, one hundred ninety-five".