25522749299 has 2 divisors, whose sum is σ = 25522749300. Its totient is φ = 25522749298.

The previous prime is 25522749233. The next prime is 25522749311. The reversal of 25522749299 is 99294722552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25522749299 is a prime.

It is a super-3 number, since 3×25522749299³ (a number of 32 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (25522749599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12761374649 + 12761374650.

It is an arithmetic number, because the mean of its divisors is an integer number (12761374650).

Almost surely, 2^25522749299 is an apocalyptic number.

25522749299 is a deficient number, since it is larger than the sum of its proper divisors (1).

25522749299 is an equidigital number, since it uses as much as digits as its factorization.

25522749299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8164800, while the sum is 56.

The spelling of 25522749299 in words is "twenty-five billion, five hundred twenty-two million, seven hundred forty-nine thousand, two hundred ninety-nine".