2172353534 has 32 divisors (see below), whose sum is σ = 3762702720. Its totient is φ = 931686912.

The previous prime is 2172353531. The next prime is 2172353537. The reversal of 2172353534 is 4353532712.

It is an interprime number because it is at equal distance from previous prime (2172353531) and next prime (2172353537).

It is a junction number, because it is equal to n+sod(n) for n = 2172353494 and 2172353503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172353531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3812 + ... + 66024.

It is an arithmetic number, because the mean of its divisors is an integer number (117584460).

Almost surely, 2^2172353534 is an apocalyptic number.

2172353534 is a deficient number, since it is larger than the sum of its proper divisors (1590349186).

2172353534 is a wasteful number, since it uses less digits than its factorization.

2172353534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62324.

The product of its digits is 75600, while the sum is 35.

The square root of 2172353534 is about 46608.5135356192. The cubic root of 2172353534 is about 1295.1204717905.

It can be divided in two parts, 21723 and 53534, that added together give a palindrome (75257).

The spelling of 2172353534 in words is "two billion, one hundred seventy-two million, three hundred fifty-three thousand, five hundred thirty-four".