3654698538 has 8 divisors (see below), whose sum is σ = 7309397088. Its totient is φ = 1218232844.

The previous prime is 3654698519. The next prime is 3654698543. The reversal of 3654698538 is 8358964563.

It is a happy number.

3654698538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

3654698538 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304558206 + ... + 304558217.

It is an arithmetic number, because the mean of its divisors is an integer number (913674636).

Almost surely, 2^3654698538 is an apocalyptic number.

3654698538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3654698538 is a wasteful number, since it uses less digits than its factorization.

3654698538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609116428.

The product of its digits is 18662400, while the sum is 57.

The square root of 3654698538 is about 60454.1027391855. The cubic root of 3654698538 is about 1540.3421033985.

The spelling of 3654698538 in words is "three billion, six hundred fifty-four million, six hundred ninety-eight thousand, five hundred thirty-eight".