2481693631 has 2 divisors, whose sum is σ = 2481693632. Its totient is φ = 2481693630.

The previous prime is 2481693559. The next prime is 2481693649. The reversal of 2481693631 is 1363961842.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2481693631 - 2⁷ = 2481693503 is a prime.

It is a super-2 number, since 2×2481693631² = 12317606556291928322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2481663631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1240846815 + 1240846816.

It is an arithmetic number, because the mean of its divisors is an integer number (1240846816).

Almost surely, 2^2481693631 is an apocalyptic number.

2481693631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2481693631 is an equidigital number, since it uses as much as digits as its factorization.

2481693631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 43.

The square root of 2481693631 is about 49816.5999542321. The cubic root of 2481693631 is about 1353.8879473042.

The spelling of 2481693631 in words is "two billion, four hundred eighty-one million, six hundred ninety-three thousand, six hundred thirty-one".