2544192949 has 2 divisors, whose sum is σ = 2544192950. Its totient is φ = 2544192948.

The previous prime is 2544192883. The next prime is 2544192961. The reversal of 2544192949 is 9492914452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1901570449 + 642622500 = 43607^2 + 25350^2 .

It is a cyclic number.

It is not a de Polignac number, because 2544192949 - 2¹⁹ = 2543668661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2544192979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272096474 + 1272096475.

It is an arithmetic number, because the mean of its divisors is an integer number (1272096475).

Almost surely, 2^2544192949 is an apocalyptic number.

It is an amenable number.

2544192949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2544192949 is an equidigital number, since it uses as much as digits as its factorization.

2544192949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 49.

The square root of 2544192949 is about 50439.9935467879. The cubic root of 2544192949 is about 1365.1593509484.

The spelling of 2544192949 in words is "two billion, five hundred forty-four million, one hundred ninety-two thousand, nine hundred forty-nine".