4192915949 has 2 divisors, whose sum is σ = 4192915950. Its totient is φ = 4192915948.

The previous prime is 4192915931. The next prime is 4192915973. The reversal of 4192915949 is 9495192914.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2928757924 + 1264158025 = 54118^2 + 35555^2 .

It is a cyclic number.

It is not a de Polignac number, because 4192915949 - 2²⁰ = 4191867373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4192915949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4192915999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2096457974 + 2096457975.

It is an arithmetic number, because the mean of its divisors is an integer number (2096457975).

Almost surely, 2^4192915949 is an apocalyptic number.

It is an amenable number.

4192915949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4192915949 is an equidigital number, since it uses as much as digits as its factorization.

4192915949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1049760, while the sum is 53.

The square root of 4192915949 is about 64752.7292783864. The cubic root of 4192915949 is about 1612.5210235746.

The spelling of 4192915949 in words is "four billion, one hundred ninety-two million, nine hundred fifteen thousand, nine hundred forty-nine".