4379400691 has 4 divisors (see below), whose sum is σ = 4486215384. Its totient is φ = 4272586000.

The previous prime is 4379400671. The next prime is 4379400731. The reversal of 4379400691 is 1960049734.

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 4379400691 - 2¹¹ = 4379398643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4379400601) 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, 53407285 + ... + 53407366.

It is an arithmetic number, because the mean of its divisors is an integer number (1121553846).

Almost surely, 2^4379400691 is an apocalyptic number.

4379400691 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4379400691 is a deficient number, since it is larger than the sum of its proper divisors (106814693).

4379400691 is a wasteful number, since it uses less digits than its factorization.

4379400691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106814692.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 4379400691 is about 66177.0405125524. The cubic root of 4379400691 is about 1636.0813504571.

The spelling of 4379400691 in words is "four billion, three hundred seventy-nine million, four hundred thousand, six hundred ninety-one".