4379399691 has 8 divisors (see below), whose sum is σ = 5842990080. Its totient is φ = 2917704552.

The previous prime is 4379399669. The next prime is 4379399701. The reversal of 4379399691 is 1969939734.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4379399691 - 2⁹ = 4379399179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4379399611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468411 + ... + 477668.

It is an arithmetic number, because the mean of its divisors is an integer number (730373760).

Almost surely, 2^4379399691 is an apocalyptic number.

4379399691 is a deficient number, since it is larger than the sum of its proper divisors (1463590389).

4379399691 is a wasteful number, since it uses less digits than its factorization.

4379399691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947625.

The product of its digits is 9920232, while the sum is 60.

The square root of 4379399691 is about 66177.0329570615. The cubic root of 4379399691 is about 1636.0812259285.

The spelling of 4379399691 in words is "four billion, three hundred seventy-nine million, three hundred ninety-nine thousand, six hundred ninety-one".