1249177348399 has 2 divisors, whose sum is σ = 1249177348400. Its totient is φ = 1249177348398.

The previous prime is 1249177348373. The next prime is 1249177348501. The reversal of 1249177348399 is 9938437719421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1249177348399 - 2⁷ = 1249177348271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1249177348799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624588674199 + 624588674200.

It is an arithmetic number, because the mean of its divisors is an integer number (624588674200).

Almost surely, 2^{1249177348399} is an apocalyptic number.

1249177348399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1249177348399 is an equidigital number, since it uses as much as digits as its factorization.

1249177348399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82301184, while the sum is 67.

The spelling of 1249177348399 in words is "one trillion, two hundred forty-nine billion, one hundred seventy-seven million, three hundred forty-eight thousand, three hundred ninety-nine".