4051091379 has 4 divisors (see below), whose sum is σ = 5401455176. Its totient is φ = 2700727584.

The previous prime is 4051091281. The next prime is 4051091489. The reversal of 4051091379 is 9731901504.

It is a happy number.

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

It is not a de Polignac number, because 4051091379 - 2⁸ = 4051091123 is a prime.

It is a super-2 number, since 2×4051091379² = 32822682722016243282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4051051379) 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, 675181894 + ... + 675181899.

It is an arithmetic number, because the mean of its divisors is an integer number (1350363794).

Almost surely, 2^4051091379 is an apocalyptic number.

4051091379 is a deficient number, since it is larger than the sum of its proper divisors (1350363797).

4051091379 is a wasteful number, since it uses less digits than its factorization.

4051091379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350363796.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 4051091379 is about 63648.1844124402. The cubic root of 4051091379 is about 1594.1310215623.

The spelling of 4051091379 in words is "four billion, fifty-one million, ninety-one thousand, three hundred seventy-nine".