3654646435513 has 12 divisors (see below), whose sum is σ = 3891763705180. Its totient is φ = 3431257178112.

The previous prime is 3654646435511. The next prime is 3654646435523. The reversal of 3654646435513 is 3155346464563.

It can be written as a sum of positive squares in 6 ways, for example, as 504742044304 + 3149904391209 = 710452^2 + 1774797^2 .

It is not a de Polignac number, because 3654646435513 - 2¹ = 3654646435511 is a prime.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3654646435511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15341256 + ... + 15577657.

Almost surely, 2^{3654646435513} is an apocalyptic number.

It is an amenable number.

3654646435513 is a deficient number, since it is larger than the sum of its proper divisors (237117269667).

3654646435513 is a wasteful number, since it uses less digits than its factorization.

3654646435513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30919356 (or 30919339 counting only the distinct ones).

The product of its digits is 46656000, while the sum is 55.

The spelling of 3654646435513 in words is "three trillion, six hundred fifty-four billion, six hundred forty-six million, four hundred thirty-five thousand, five hundred thirteen".