2452621234181 has 2 divisors, whose sum is σ = 2452621234182. Its totient is φ = 2452621234180.

The previous prime is 2452621234123. The next prime is 2452621234199. The reversal of 2452621234181 is 1814321262542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1940811196900 + 511810037281 = 1393130^2 + 715409^2 .

It is a cyclic number.

It is not a de Polignac number, because 2452621234181 - 2¹⁸ = 2452620972037 is a prime.

It is a super-2 number, since 2×2452621234181² (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 (2452621234681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1226310617090 + 1226310617091.

It is an arithmetic number, because the mean of its divisors is an integer number (1226310617091).

Almost surely, 2^{2452621234181} is an apocalyptic number.

It is an amenable number.

2452621234181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2452621234181 is an equidigital number, since it uses as much as digits as its factorization.

2452621234181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 184320, while the sum is 41.

The spelling of 2452621234181 in words is "two trillion, four hundred fifty-two billion, six hundred twenty-one million, two hundred thirty-four thousand, one hundred eighty-one".