127263862049 has 4 divisors (see below), whose sum is σ = 129420876720. Its totient is φ = 125106847380.

The previous prime is 127263861911. The next prime is 127263862079. The reversal of 127263862049 is 940268362721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127263862049 is a prime.

It is a super-5 number, since 5×127263862049⁵ (a number of 57 digits) contains 55555 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 127263861988 and 127263862006.

It is not an unprimeable number, because it can be changed into a prime (127263862079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1078507247 + ... + 1078507364.

It is an arithmetic number, because the mean of its divisors is an integer number (32355219180).

Almost surely, 2^127263862049 is an apocalyptic number.

It is an amenable number.

127263862049 is a deficient number, since it is larger than the sum of its proper divisors (2157014671).

127263862049 is an equidigital number, since it uses as much as digits as its factorization.

127263862049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157014670.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 127263862049 in words is "one hundred twenty-seven billion, two hundred sixty-three million, eight hundred sixty-two thousand, forty-nine".