201513650590 has 64 divisors (see below), whose sum is σ = 438553728000. Its totient is φ = 65125057536.

The previous prime is 201513650579. The next prime is 201513650593. The reversal of 201513650590 is 95056315102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201513650593) 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, 116019 + ... + 645358.

It is an arithmetic number, because the mean of its divisors is an integer number (6852402000).

Almost surely, 2^201513650590 is an apocalyptic number.

201513650590 is an abundant number, since it is smaller than the sum of its proper divisors (237040077410).

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

201513650590 is a wasteful number, since it uses less digits than its factorization.

201513650590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761609.

The product of its (nonzero) digits is 40500, while the sum is 37.

Adding to 201513650590 its reverse (95056315102), we get a palindrome (296569965692).

The spelling of 201513650590 in words is "two hundred one billion, five hundred thirteen million, six hundred fifty thousand, five hundred ninety".