3650521487645 has 16 divisors (see below), whose sum is σ = 4452446161920. Its totient is φ = 2872809763200.

The previous prime is 3650521487567. The next prime is 3650521487659. The reversal of 3650521487645 is 5467841250563.

It is a de Polignac number, because none of the positive numbers 2^k-3650521487645 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 16944296 + ... + 17158385.

It is an arithmetic number, because the mean of its divisors is an integer number (278277885120).

Almost surely, 2^{3650521487645} is an apocalyptic number.

It is an amenable number.

3650521487645 is a deficient number, since it is larger than the sum of its proper divisors (801924674275).

3650521487645 is a wasteful number, since it uses less digits than its factorization.

3650521487645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34103036.

The product of its (nonzero) digits is 24192000, while the sum is 56.

The spelling of 3650521487645 in words is "three trillion, six hundred fifty billion, five hundred twenty-one million, four hundred eighty-seven thousand, six hundred forty-five".