3699658368 has 256 divisors, whose sum is σ = 12737760000. Its totient is φ = 1056706560.

The previous prime is 3699658367. The next prime is 3699658387. The reversal of 3699658368 is 8638569963.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (3699658367) 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, 1183848 + ... + 1186968.

It is an arithmetic number, because the mean of its divisors is an integer number (49756875).

Almost surely, 2^3699658368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3699658368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6368880000).

3699658368 is an abundant number, since it is smaller than the sum of its proper divisors (9038101632).

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

3699658368 is an equidigital number, since it uses as much as digits as its factorization.

3699658368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3165 (or 3133 counting only the distinct ones).

The product of its digits is 50388480, while the sum is 63.

The square root of 3699658368 is about 60824.8170404153. The cubic root of 3699658368 is about 1546.6327691078.

The spelling of 3699658368 in words is "three billion, six hundred ninety-nine million, six hundred fifty-eight thousand, three hundred sixty-eight".