245215084631 has 32 divisors (see below), whose sum is σ = 286820352000. Its totient is φ = 207171694080.

The previous prime is 245215084607. The next prime is 245215084657. The reversal of 245215084631 is 136480512542.

It is a de Polignac number, because none of the positive numbers 2^k-245215084631 is a prime.

It is a super-2 number, since 2×245215084631² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245215084831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6703850 + ... + 6740328.

It is an arithmetic number, because the mean of its divisors is an integer number (8963136000).

Almost surely, 2^245215084631 is an apocalyptic number.

245215084631 is a deficient number, since it is larger than the sum of its proper divisors (41605267369).

245215084631 is a wasteful number, since it uses less digits than its factorization.

245215084631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36959.

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 245215084631 in words is "two hundred forty-five billion, two hundred fifteen million, eighty-four thousand, six hundred thirty-one".