3654521496 has 128 divisors (see below), whose sum is σ = 10434758400. Its totient is φ = 1184440320.

The previous prime is 3654521483. The next prime is 3654521513. The reversal of 3654521496 is 6941254563.

3654521496 is a `hidden beast` number, since 3 + 6 + 545 + 2 + 14 + 96 = 666.

3654521496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2386251 + ... + 2387781.

It is an arithmetic number, because the mean of its divisors is an integer number (81521550).

Almost surely, 2^3654521496 is an apocalyptic number.

3654521496 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3654521496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5217379200).

3654521496 is an abundant number, since it is smaller than the sum of its proper divisors (6780236904).

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

3654521496 is a wasteful number, since it uses less digits than its factorization.

3654521496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846 (or 1836 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 3654521496 is about 60452.6384535861. The cubic root of 3654521496 is about 1540.3172304258.

The spelling of 3654521496 in words is "three billion, six hundred fifty-four million, five hundred twenty-one thousand, four hundred ninety-six".