650190540065 has 16 divisors (see below), whose sum is σ = 851271641856. Its totient is φ = 472803004800.

The previous prime is 650190540029. The next prime is 650190540107. The reversal of 650190540065 is 560045091056.

It is not a de Polignac number, because 650190540065 - 2²⁶ = 650123431201 is a prime.

It is a Duffinian 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, 365897 + ... + 1197606.

It is an arithmetic number, because the mean of its divisors is an integer number (53204477616).

Almost surely, 2^650190540065 is an apocalyptic number.

It is an amenable number.

650190540065 is a deficient number, since it is larger than the sum of its proper divisors (201081101791).

650190540065 is a wasteful number, since it uses less digits than its factorization.

650190540065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571080.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 650190540065 in words is "six hundred fifty billion, one hundred ninety million, five hundred forty thousand, sixty-five".