25421664330130 has 8 divisors (see below), whose sum is σ = 45758995794252. Its totient is φ = 10168665732048.

The previous prime is 25421664330121. The next prime is 25421664330169. The reversal of 25421664330130 is 3103346612452.

It can be written as a sum of positive squares in 2 ways, for example, as 25421592572289 + 71757841 = 5041983^2 + 8471^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×25421664330130² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1271083216497 + ... + 1271083216516.

Almost surely, 2^{25421664330130} is an apocalyptic number.

25421664330130 is a deficient number, since it is larger than the sum of its proper divisors (20337331464122).

25421664330130 is a wasteful number, since it uses less digits than its factorization.

25421664330130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542166433020.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 25421664330130 in words is "twenty-five trillion, four hundred twenty-one billion, six hundred sixty-four million, three hundred thirty thousand, one hundred thirty".