2153673631 has 2 divisors, whose sum is σ = 2153673632. Its totient is φ = 2153673630.

The previous prime is 2153673607. The next prime is 2153673647. The reversal of 2153673631 is 1363763512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2153673631 - 2¹⁹ = 2153149343 is a prime.

It is a super-2 number, since 2×2153673631² = 9276620217729448322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2153673031) by changing a digit.

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 as a sum of consecutive naturals, namely, 1076836815 + 1076836816.

It is an arithmetic number, because the mean of its divisors is an integer number (1076836816).

Almost surely, 2^2153673631 is an apocalyptic number.

2153673631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153673631 is an equidigital number, since it uses as much as digits as its factorization.

2153673631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 37.

The square root of 2153673631 is about 46407.6893520891. The cubic root of 2153673631 is about 1291.3975661360.

The spelling of 2153673631 in words is "two billion, one hundred fifty-three million, six hundred seventy-three thousand, six hundred thirty-one".