4131672345 has 12 divisors (see below), whose sum is σ = 7161565476. Its totient is φ = 2203558560.

The previous prime is 4131672301. The next prime is 4131672361. The reversal of 4131672345 is 5432761314.

4131672345 is a `hidden beast` number, since 413 + 1 + 6 + 7 + 234 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 999255321 + 3132417024 = 31611^2 + 55968^2 .

It is not a de Polignac number, because 4131672345 - 2⁸ = 4131672089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45907426 + ... + 45907515.

It is an arithmetic number, because the mean of its divisors is an integer number (596797123).

Almost surely, 2^4131672345 is an apocalyptic number.

4131672345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4131672345 is a deficient number, since it is larger than the sum of its proper divisors (3029893131).

4131672345 is a wasteful number, since it uses less digits than its factorization.

4131672345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91814952 (or 91814949 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 4131672345 is about 64278.0860402673. The cubic root of 4131672345 is about 1604.6314173862.

The spelling of 4131672345 in words is "four billion, one hundred thirty-one million, six hundred seventy-two thousand, three hundred forty-five".