3751890545 has 16 divisors (see below), whose sum is σ = 4861839360. Its totient is φ = 2763059904.

The previous prime is 3751890533. The next prime is 3751890551. The reversal of 3751890545 is 5450981573.

It is a cyclic number.

It is not a de Polignac number, because 3751890545 - 2¹² = 3751886449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3751890545.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54785 + ... + 102494.

It is an arithmetic number, because the mean of its divisors is an integer number (303864960).

Almost surely, 2^3751890545 is an apocalyptic number.

It is an amenable number.

3751890545 is a deficient number, since it is larger than the sum of its proper divisors (1109948815).

3751890545 is a wasteful number, since it uses less digits than its factorization.

3751890545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157664.

The product of its (nonzero) digits is 756000, while the sum is 47.

The square root of 3751890545 is about 61252.6778598291. The cubic root of 3751890545 is about 1553.8772919092.

The spelling of 3751890545 in words is "three billion, seven hundred fifty-one million, eight hundred ninety thousand, five hundred forty-five".