2634785249 has 2 divisors, whose sum is σ = 2634785250. Its totient is φ = 2634785248.

The previous prime is 2634785189. The next prime is 2634785269. The reversal of 2634785249 is 9425874362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2298723025 + 336062224 = 47945^2 + 18332^2 .

It is a cyclic number.

It is not a de Polignac number, because 2634785249 - 2²⁰ = 2633736673 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2634785197 and 2634785206.

It is not a weakly prime, because it can be changed into another prime (2634785269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1317392624 + 1317392625.

It is an arithmetic number, because the mean of its divisors is an integer number (1317392625).

Almost surely, 2^2634785249 is an apocalyptic number.

It is an amenable number.

2634785249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2634785249 is an equidigital number, since it uses as much as digits as its factorization.

2634785249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 50.

The square root of 2634785249 is about 51330.1592536006. The cubic root of 2634785249 is about 1381.1740427263.

The spelling of 2634785249 in words is "two billion, six hundred thirty-four million, seven hundred eighty-five thousand, two hundred forty-nine".