4198731923 has 2 divisors, whose sum is σ = 4198731924. Its totient is φ = 4198731922.

The previous prime is 4198731913. The next prime is 4198731983. The reversal of 4198731923 is 3291378914.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4198731923 is a prime.

It is a super-2 number, since 2×4198731923² = 35258699522438555858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4198731913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2099365961 + 2099365962.

It is an arithmetic number, because the mean of its divisors is an integer number (2099365962).

Almost surely, 2^4198731923 is an apocalyptic number.

4198731923 is a deficient number, since it is larger than the sum of its proper divisors (1).

4198731923 is an equidigital number, since it uses as much as digits as its factorization.

4198731923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 47.

The square root of 4198731923 is about 64797.6228190510. The cubic root of 4198731923 is about 1613.2662525564.

The spelling of 4198731923 in words is "four billion, one hundred ninety-eight million, seven hundred thirty-one thousand, nine hundred twenty-three".