2632778131 has 2 divisors, whose sum is σ = 2632778132. Its totient is φ = 2632778130.

The previous prime is 2632778129. The next prime is 2632778147. The reversal of 2632778131 is 1318772362.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2632778131 - 2¹ = 2632778129 is a prime.

It is a super-2 number, since 2×2632778131² = 13863041374143706322, which contains 22 as substring.

Together with 2632778129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2632778531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1316389065 + 1316389066.

It is an arithmetic number, because the mean of its divisors is an integer number (1316389066).

Almost surely, 2^2632778131 is an apocalyptic number.

2632778131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2632778131 is an equidigital number, since it uses as much as digits as its factorization.

2632778131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 40.

The square root of 2632778131 is about 51310.6044692518. The cubic root of 2632778131 is about 1380.8232382336.

The spelling of 2632778131 in words is "two billion, six hundred thirty-two million, seven hundred seventy-eight thousand, one hundred thirty-one".