3656413254 has 64 divisors (see below), whose sum is σ = 8092385280. Its totient is φ = 1094446080.

The previous prime is 3656413253. The next prime is 3656413259. The reversal of 3656413254 is 4523146563.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3656413253) 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, 442299 + ... + 450489.

It is an arithmetic number, because the mean of its divisors is an integer number (126443520).

Almost surely, 2^3656413254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3656413254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4046192640).

3656413254 is an abundant number, since it is smaller than the sum of its proper divisors (4435972026).

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

3656413254 is a wasteful number, since it uses less digits than its factorization.

3656413254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8365.

The product of its digits is 259200, while the sum is 39.

The square root of 3656413254 is about 60468.2830416079. The cubic root of 3656413254 is about 1540.5829656069.

The spelling of 3656413254 in words is "three billion, six hundred fifty-six million, four hundred thirteen thousand, two hundred fifty-four".