245034437631 has 48 divisors (see below), whose sum is σ = 354919887360. Its totient is φ = 149888931840.

The previous prime is 245034437597. The next prime is 245034437639. The reversal of 245034437631 is 136734430542.

It is a happy number.

It is not a de Polignac number, because 245034437631 - 2⁹ = 245034437119 is a prime.

It is a super-2 number, since 2×245034437631² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245034437639) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25201851 + ... + 25211571.

It is an arithmetic number, because the mean of its divisors is an integer number (7394164320).

Almost surely, 2^245034437631 is an apocalyptic number.

245034437631 is a deficient number, since it is larger than the sum of its proper divisors (109885449729).

245034437631 is an equidigital number, since it uses as much as digits as its factorization.

245034437631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9984 (or 9887 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 42.

The spelling of 245034437631 in words is "two hundred forty-five billion, thirty-four million, four hundred thirty-seven thousand, six hundred thirty-one".