3791142091 has 4 divisors (see below), whose sum is σ = 4135791384. Its totient is φ = 3446492800.

The previous prime is 3791142077. The next prime is 3791142109. The reversal of 3791142091 is 1902411973.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3791142091 - 2¹⁵ = 3791109323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3791142091.

It is not an unprimeable number, because it can be changed into a prime (3791142011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172324630 + ... + 172324651.

It is an arithmetic number, because the mean of its divisors is an integer number (1033947846).

Almost surely, 2^3791142091 is an apocalyptic number.

3791142091 is a deficient number, since it is larger than the sum of its proper divisors (344649293).

3791142091 is a wasteful number, since it uses less digits than its factorization.

3791142091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344649292.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 3791142091 is about 61572.2509820780. The cubic root of 3791142091 is about 1559.2772911154.

The spelling of 3791142091 in words is "three billion, seven hundred ninety-one million, one hundred forty-two thousand, ninety-one".