4345331691 has 8 divisors (see below), whose sum is σ = 5797976464. Its totient is φ = 2894787360.

The previous prime is 4345331687. The next prime is 4345331717. The reversal of 4345331691 is 1961335434.

It is a happy number.

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

It is not a de Polignac number, because 4345331691 - 2² = 4345331687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4345331611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520276 + ... + 528561.

It is an arithmetic number, because the mean of its divisors is an integer number (724747058).

Almost surely, 2^4345331691 is an apocalyptic number.

4345331691 is a deficient number, since it is larger than the sum of its proper divisors (1452644773).

4345331691 is a wasteful number, since it uses less digits than its factorization.

4345331691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050221.

The product of its digits is 116640, while the sum is 39.

The square root of 4345331691 is about 65919.1299320615. The cubic root of 4345331691 is about 1631.8277377441.

The spelling of 4345331691 in words is "four billion, three hundred forty-five million, three hundred thirty-one thousand, six hundred ninety-one".