245045983686 has 32 divisors (see below), whose sum is σ = 560119822848. Its totient is φ = 70011298560.

The previous prime is 245045983673. The next prime is 245045983691. The reversal of 245045983686 is 686389540542.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2908591 + ... + 2991653.

It is an arithmetic number, because the mean of its divisors is an integer number (17503744464).

Almost surely, 2^245045983686 is an apocalyptic number.

245045983686 is an abundant number, since it is smaller than the sum of its proper divisors (315073839162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245045983686 is a wasteful number, since it uses less digits than its factorization.

245045983686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153316.

The product of its (nonzero) digits is 49766400, while the sum is 60.

The spelling of 245045983686 in words is "two hundred forty-five billion, forty-five million, nine hundred eighty-three thousand, six hundred eighty-six".