635830808145 has 64 divisors (see below), whose sum is σ = 1122472318464. Its totient is φ = 305433354240.

The previous prime is 635830808113. The next prime is 635830808147. The reversal of 635830808145 is 541808038536.

It is a happy number.

It is not a de Polignac number, because 635830808145 - 2⁵ = 635830808113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (635830808147) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1106239 + ... + 1579691.

It is an arithmetic number, because the mean of its divisors is an integer number (17538629976).

Almost surely, 2^635830808145 is an apocalyptic number.

635830808145 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

635830808145 is a deficient number, since it is larger than the sum of its proper divisors (486641510319).

635830808145 is a wasteful number, since it uses less digits than its factorization.

635830808145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473642.

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 635830808145 in words is "six hundred thirty-five billion, eight hundred thirty million, eight hundred eight thousand, one hundred forty-five".