2154343504 has 20 divisors (see below), whose sum is σ = 4176160660. Its totient is φ = 1076624640.

The previous prime is 2154343493. The next prime is 2154343511. The reversal of 2154343504 is 4053434512.

It can be written as a sum of positive squares in 2 ways, for example, as 1271065104 + 883278400 = 35652^2 + 29720^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717 + ... + 65644.

It is an arithmetic number, because the mean of its divisors is an integer number (208808033).

Almost surely, 2^2154343504 is an apocalyptic number.

It is an amenable number.

2154343504 is a deficient number, since it is larger than the sum of its proper divisors (2021817156).

2154343504 is a wasteful number, since it uses less digits than its factorization.

2154343504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68398 (or 68392 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 2154343504 is about 46414.9060539823. The cubic root of 2154343504 is about 1291.5314432278.

The spelling of 2154343504 in words is "two billion, one hundred fifty-four million, three hundred forty-three thousand, five hundred four".