654640153545 has 32 divisors (see below), whose sum is σ = 1197263536128. Its totient is φ = 299212256448.

The previous prime is 654640153493. The next prime is 654640153553. The reversal of 654640153545 is 545351046456.

It is a happy number.

It is not a de Polignac number, because 654640153545 - 2⁸ = 654640153289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 654640153494 and 654640153503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72912 + ... + 1146558.

It is an arithmetic number, because the mean of its divisors is an integer number (37414485504).

Almost surely, 2^654640153545 is an apocalyptic number.

It is an amenable number.

654640153545 is a deficient number, since it is larger than the sum of its proper divisors (542623382583).

654640153545 is a wasteful number, since it uses less digits than its factorization.

654640153545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079469.

The product of its (nonzero) digits is 4320000, while the sum is 48.

The spelling of 654640153545 in words is "six hundred fifty-four billion, six hundred forty million, one hundred fifty-three thousand, five hundred forty-five".