2502421109 has 2 divisors, whose sum is σ = 2502421110. Its totient is φ = 2502421108.

The previous prime is 2502421073. The next prime is 2502421133. The reversal of 2502421109 is 9011242052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2211820900 + 290600209 = 47030^2 + 17047^2 .

It is a cyclic number.

It is not a de Polignac number, because 2502421109 - 2²⁴ = 2485643893 is a prime.

It is a super-2 number, since 2×2502421109² = 12524222813537579762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2502421139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251210554 + 1251210555.

It is an arithmetic number, because the mean of its divisors is an integer number (1251210555).

Almost surely, 2^2502421109 is an apocalyptic number.

It is an amenable number.

2502421109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2502421109 is an equidigital number, since it uses as much as digits as its factorization.

2502421109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 2502421109 is about 50024.2052310679. The cubic root of 2502421109 is about 1357.6467936679.

The spelling of 2502421109 in words is "two billion, five hundred two million, four hundred twenty-one thousand, one hundred nine".