3745470991 has 16 divisors (see below), whose sum is σ = 4104475200. Its totient is φ = 3403653120.

The previous prime is 3745470983. The next prime is 3745471013. The reversal of 3745470991 is 1990745473.

It is a cyclic number.

It is not a de Polignac number, because 3745470991 - 2³ = 3745470983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3745470941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39910 + ... + 95308.

It is an arithmetic number, because the mean of its divisors is an integer number (256529700).

Almost surely, 2^3745470991 is an apocalyptic number.

3745470991 is a deficient number, since it is larger than the sum of its proper divisors (359004209).

3745470991 is a wasteful number, since it uses less digits than its factorization.

3745470991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55554.

The product of its (nonzero) digits is 952560, while the sum is 49.

The square root of 3745470991 is about 61200.2531939207. The cubic root of 3745470991 is about 1552.9905483925.

The spelling of 3745470991 in words is "three billion, seven hundred forty-five million, four hundred seventy thousand, nine hundred ninety-one".