635070397845 has 24 divisors (see below), whose sum is σ = 1100287652256. Its totient is φ = 312650040768.

The previous prime is 635070397807. The next prime is 635070397847. The reversal of 635070397845 is 548793070536.

It is not a de Polignac number, because 635070397845 - 2²¹ = 635068300693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (635070397847) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125257899 + ... + 125262968.

It is an arithmetic number, because the mean of its divisors is an integer number (45845318844).

Almost surely, 2^635070397845 is an apocalyptic number.

635070397845 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

635070397845 is a deficient number, since it is larger than the sum of its proper divisors (465217254411).

635070397845 is a wasteful number, since it uses less digits than its factorization.

635070397845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250520901 (or 250520888 counting only the distinct ones).

The product of its (nonzero) digits is 19051200, while the sum is 57.

The spelling of 635070397845 in words is "six hundred thirty-five billion, seventy million, three hundred ninety-seven thousand, eight hundred forty-five".