3718913445 has 48 divisors (see below), whose sum is σ = 7159135680. Its totient is φ = 1830838464.

The previous prime is 3718913413. The next prime is 3718913477. The reversal of 3718913445 is 5443198173.

It is an interprime number because it is at equal distance from previous prime (3718913413) and next prime (3718913477).

It is not a de Polignac number, because 3718913445 - 2⁵ = 3718913413 is a prime.

It is a super-2 number, since 2×3718913445² = 27660634422803536050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3718913445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58687 + ... + 104316.

It is an arithmetic number, because the mean of its divisors is an integer number (149148660).

Almost surely, 2^3718913445 is an apocalyptic number.

It is an amenable number.

3718913445 is a deficient number, since it is larger than the sum of its proper divisors (3440222235).

3718913445 is a wasteful number, since it uses less digits than its factorization.

3718913445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163043 (or 163024 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 3718913445 is about 60982.8946918724. The cubic root of 3718913445 is about 1549.3113062554.

The spelling of 3718913445 in words is "three billion, seven hundred eighteen million, nine hundred thirteen thousand, four hundred forty-five".