3745864091 has 2 divisors, whose sum is σ = 3745864092. Its totient is φ = 3745864090.

The previous prime is 3745864081. The next prime is 3745864123. The reversal of 3745864091 is 1904685473.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3745864091 is a prime.

It is not a weakly prime, because it can be changed into another prime (3745864051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1872932045 + 1872932046.

It is an arithmetic number, because the mean of its divisors is an integer number (1872932046).

Almost surely, 2^3745864091 is an apocalyptic number.

3745864091 is a deficient number, since it is larger than the sum of its proper divisors (1).

3745864091 is an equidigital number, since it uses as much as digits as its factorization.

3745864091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 3745864091 is about 61203.4646976787. The cubic root of 3745864091 is about 1553.0448770497.

The spelling of 3745864091 in words is "three billion, seven hundred forty-five million, eight hundred sixty-four thousand, ninety-one".