2153896173 has 48 divisors (see below), whose sum is σ = 3744336960. Its totient is φ = 1175558400.

The previous prime is 2153896127. The next prime is 2153896177. The reversal of 2153896173 is 3716983512.

2153896173 is a `hidden beast` number, since 21 + 5 + 3 + 8 + 9 + 617 + 3 = 666.

It is not a de Polignac number, because 2153896173 - 2⁹ = 2153895661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153896177) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32358 + ... + 73176.

It is an arithmetic number, because the mean of its divisors is an integer number (78007020).

Almost surely, 2^2153896173 is an apocalyptic number.

It is an amenable number.

2153896173 is a deficient number, since it is larger than the sum of its proper divisors (1590440787).

2153896173 is a wasteful number, since it uses less digits than its factorization.

2153896173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40890 (or 40887 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 2153896173 is about 46410.0869747084. The cubic root of 2153896173 is about 1291.4420452212.

It can be divided in two parts, 21538 and 96173, that added together give a palindrome (117711).

The spelling of 2153896173 in words is "two billion, one hundred fifty-three million, eight hundred ninety-six thousand, one hundred seventy-three".