25264606099 has 2 divisors, whose sum is σ = 25264606100. Its totient is φ = 25264606098.

The previous prime is 25264606069. The next prime is 25264606121. The reversal of 25264606099 is 99060646252.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25264606099 - 2¹³ = 25264597907 is a prime.

It is not a weakly prime, because it can be changed into another prime (25264606039) 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, 12632303049 + 12632303050.

It is an arithmetic number, because the mean of its divisors is an integer number (12632303050).

Almost surely, 2^25264606099 is an apocalyptic number.

25264606099 is a deficient number, since it is larger than the sum of its proper divisors (1).

25264606099 is an equidigital number, since it uses as much as digits as its factorization.

25264606099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1399680, while the sum is 49.

The spelling of 25264606099 in words is "twenty-five billion, two hundred sixty-four million, six hundred six thousand, ninety-nine".