4379400791 has 4 divisors (see below), whose sum is σ = 4379845800. Its totient is φ = 4378955784.

The previous prime is 4379400769. The next prime is 4379400793. The reversal of 4379400791 is 1970049734.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1970049734 = 2 ⋅985024867.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4379400791 is a prime.

It is a super-2 number, since 2×4379400791² = 38358302576422851362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4379400793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207401 + ... + 227538.

It is an arithmetic number, because the mean of its divisors is an integer number (1094961450).

Almost surely, 2^4379400791 is an apocalyptic number.

4379400791 is a deficient number, since it is larger than the sum of its proper divisors (445009).

4379400791 is a wasteful number, since it uses less digits than its factorization.

4379400791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445008.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 4379400791 is about 66177.0412681014. The cubic root of 4379400791 is about 1636.0813629099.

The spelling of 4379400791 in words is "four billion, three hundred seventy-nine million, four hundred thousand, seven hundred ninety-one".