2153476931 has 8 divisors (see below), whose sum is σ = 2220825600. Its totient is φ = 2087156680.

The previous prime is 2153476909. The next prime is 2153476943. The reversal of 2153476931 is 1396743512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2153476931 is a prime.

It is a super-2 number, since 2×2153476931² = 9274925784698357522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2153476951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252851 + ... + 261228.

It is an arithmetic number, because the mean of its divisors is an integer number (277603200).

Almost surely, 2^2153476931 is an apocalyptic number.

2153476931 is a deficient number, since it is larger than the sum of its proper divisors (67348669).

2153476931 is an equidigital number, since it uses as much as digits as its factorization.

2153476931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514209.

The product of its digits is 136080, while the sum is 41.

The square root of 2153476931 is about 46405.5700428300. The cubic root of 2153476931 is about 1291.3582494956.

The spelling of 2153476931 in words is "two billion, one hundred fifty-three million, four hundred seventy-six thousand, nine hundred thirty-one".