249376187229493 has 2 divisors, whose sum is σ = 249376187229494. Its totient is φ = 249376187229492.

The previous prime is 249376187229473. The next prime is 249376187229557. The reversal of 249376187229493 is 394922781673942.

249376187229493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214571579620644 + 34804607608849 = 14648262^2 + 5899543^2 .

It is a cyclic number.

It is not a de Polignac number, because 249376187229493 - 2⁵ = 249376187229461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249376187229473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124688093614746 + 124688093614747.

It is an arithmetic number, because the mean of its divisors is an integer number (124688093614747).

Almost surely, 2^{249376187229493} is an apocalyptic number.

It is an amenable number.

249376187229493 is a deficient number, since it is larger than the sum of its proper divisors (1).

249376187229493 is an equidigital number, since it uses as much as digits as its factorization.

249376187229493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1975228416, while the sum is 76.

The spelling of 249376187229493 in words is "two hundred forty-nine trillion, three hundred seventy-six billion, one hundred eighty-seven million, two hundred twenty-nine thousand, four hundred ninety-three".