49224172825381 has 2 divisors, whose sum is σ = 49224172825382. Its totient is φ = 49224172825380.

The previous prime is 49224172825279. The next prime is 49224172825441. The reversal of 49224172825381 is 18352827142294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41595611685156 + 7628561140225 = 6449466^2 + 2761985^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49224172825381 is a prime.

It is a super-2 number, since 2×49224172825381² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49224172825981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24612086412690 + 24612086412691.

It is an arithmetic number, because the mean of its divisors is an integer number (24612086412691).

Almost surely, 2^{49224172825381} is an apocalyptic number.

It is an amenable number.

49224172825381 is a deficient number, since it is larger than the sum of its proper divisors (1).

49224172825381 is an equidigital number, since it uses as much as digits as its factorization.

49224172825381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15482880, while the sum is 58.

The spelling of 49224172825381 in words is "forty-nine trillion, two hundred twenty-four billion, one hundred seventy-two million, eight hundred twenty-five thousand, three hundred eighty-one".