2634502657849 has 2 divisors, whose sum is σ = 2634502657850. Its totient is φ = 2634502657848.

The previous prime is 2634502657817. The next prime is 2634502657901. The reversal of 2634502657849 is 9487562054362.

It is a happy number.

2634502657849 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1654392757824 + 980109900025 = 1286232^2 + 990005^2 .

It is a cyclic number.

It is not a de Polignac number, because 2634502657849 - 2⁵ = 2634502657817 is a prime.

It is a super-2 number, since 2×2634502657849² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2634502652849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1317251328924 + 1317251328925.

It is an arithmetic number, because the mean of its divisors is an integer number (1317251328925).

Almost surely, 2^{2634502657849} is an apocalyptic number.

It is an amenable number.

2634502657849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2634502657849 is an equidigital number, since it uses as much as digits as its factorization.

2634502657849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87091200, while the sum is 61.

The spelling of 2634502657849 in words is "two trillion, six hundred thirty-four billion, five hundred two million, six hundred fifty-seven thousand, eight hundred forty-nine".