249969481403 has 2 divisors, whose sum is σ = 249969481404. Its totient is φ = 249969481402.

The previous prime is 249969481393. The next prime is 249969481409. The reversal of 249969481403 is 304184969942.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 249969481403 - 2⁴ = 249969481387 is a prime.

It is not a weakly prime, because it can be changed into another prime (249969481409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124984740701 + 124984740702.

It is an arithmetic number, because the mean of its divisors is an integer number (124984740702).

Almost surely, 2^249969481403 is an apocalyptic number.

249969481403 is a deficient number, since it is larger than the sum of its proper divisors (1).

249969481403 is an equidigital number, since it uses as much as digits as its factorization.

249969481403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13436928, while the sum is 59.

The spelling of 249969481403 in words is "two hundred forty-nine billion, nine hundred sixty-nine million, four hundred eighty-one thousand, four hundred three".