2499139441 has 2 divisors, whose sum is σ = 2499139442. Its totient is φ = 2499139440.

The previous prime is 2499139421. The next prime is 2499139453. The reversal of 2499139441 is 1449319942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2468003041 + 31136400 = 49679^2 + 5580^2 .

It is a cyclic number.

It is not a de Polignac number, because 2499139441 - 2²³ = 2490750833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2499139391 and 2499139400.

It is not a weakly prime, because it can be changed into another prime (2499139411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1249569720 + 1249569721.

It is an arithmetic number, because the mean of its divisors is an integer number (1249569721).

Almost surely, 2^2499139441 is an apocalyptic number.

It is an amenable number.

2499139441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2499139441 is an equidigital number, since it uses as much as digits as its factorization.

2499139441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 46.

The square root of 2499139441 is about 49991.3936693107. The cubic root of 2499139441 is about 1357.0530626583.

The spelling of 2499139441 in words is "two billion, four hundred ninety-nine million, one hundred thirty-nine thousand, four hundred forty-one".