3818120451 has 12 divisors (see below), whose sum is σ = 5321793288. Its totient is φ = 2434742464.

The previous prime is 3818120437. The next prime is 3818120461. The reversal of 3818120451 is 1540218183.

3818120451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3818120451 - 2¹⁰ = 3818119427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3818120431) 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, 1201350 + ... + 1204523.

It is an arithmetic number, because the mean of its divisors is an integer number (443482774).

Almost surely, 2^3818120451 is an apocalyptic number.

3818120451 is a deficient number, since it is larger than the sum of its proper divisors (1503672837).

3818120451 is a wasteful number, since it uses less digits than its factorization.

3818120451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405922 (or 2405899 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 3818120451 is about 61790.9414963067. The cubic root of 3818120451 is about 1562.9672391760.

The spelling of 3818120451 in words is "three billion, eight hundred eighteen million, one hundred twenty thousand, four hundred fifty-one".