2542025304149 has 2 divisors, whose sum is σ = 2542025304150. Its totient is φ = 2542025304148.

The previous prime is 2542025304053. The next prime is 2542025304191. The reversal of 2542025304149 is 9414035202452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2538263935249 + 3761368900 = 1593193^2 + 61330^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2542025304149 is a prime.

It is a super-2 number, since 2×2542025304149² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2542025303149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271012652074 + 1271012652075.

It is an arithmetic number, because the mean of its divisors is an integer number (1271012652075).

Almost surely, 2^{2542025304149} is an apocalyptic number.

It is an amenable number.

2542025304149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2542025304149 is an equidigital number, since it uses as much as digits as its factorization.

2542025304149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 2542025304149 in words is "two trillion, five hundred forty-two billion, twenty-five million, three hundred four thousand, one hundred forty-nine".