2251124128493 has 2 divisors, whose sum is σ = 2251124128494. Its totient is φ = 2251124128492.

The previous prime is 2251124128483. The next prime is 2251124128537. The reversal of 2251124128493 is 3948214211522.

It is a happy number.

It is an a-pointer prime, because the next prime (2251124128537) can be obtained adding 2251124128493 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2204354875849 + 46769252644 = 1484707^2 + 216262^2 .

It is a cyclic number.

It is not a de Polignac number, because 2251124128493 - 2³² = 2246829161197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2251124128483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125562064246 + 1125562064247.

It is an arithmetic number, because the mean of its divisors is an integer number (1125562064247).

Almost surely, 2^{2251124128493} is an apocalyptic number.

It is an amenable number.

2251124128493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251124128493 is an equidigital number, since it uses as much as digits as its factorization.

2251124128493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 44.

The spelling of 2251124128493 in words is "two trillion, two hundred fifty-one billion, one hundred twenty-four million, one hundred twenty-eight thousand, four hundred ninety-three".