245686437052 has 48 divisors (see below), whose sum is σ = 547660189440. Its totient is φ = 93884596992.

The previous prime is 245686437011. The next prime is 245686437083. The reversal of 245686437052 is 250734686542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13573798 + ... + 13591885.

It is an arithmetic number, because the mean of its divisors is an integer number (11409587280).

Almost surely, 2^245686437052 is an apocalyptic number.

It is an amenable number.

245686437052 is an abundant number, since it is smaller than the sum of its proper divisors (301973752388).

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

245686437052 is a wasteful number, since it uses less digits than its factorization.

245686437052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27165730 (or 27165728 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 52.

The spelling of 245686437052 in words is "two hundred forty-five billion, six hundred eighty-six million, four hundred thirty-seven thousand, fifty-two".