127249246633 has 2 divisors, whose sum is σ = 127249246634. Its totient is φ = 127249246632.

The previous prime is 127249246609. The next prime is 127249246639. The reversal of 127249246633 is 336642942721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78289718809 + 48959527824 = 279803^2 + 221268^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127249246633 is a prime.

It is not a weakly prime, because it can be changed into another prime (127249246639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63624623316 + 63624623317.

It is an arithmetic number, because the mean of its divisors is an integer number (63624623317).

Almost surely, 2^127249246633 is an apocalyptic number.

It is an amenable number.

127249246633 is a deficient number, since it is larger than the sum of its proper divisors (1).

127249246633 is an equidigital number, since it uses as much as digits as its factorization.

127249246633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 49.

The spelling of 127249246633 in words is "one hundred twenty-seven billion, two hundred forty-nine million, two hundred forty-six thousand, six hundred thirty-three".