1270929239399 has 4 divisors (see below), whose sum is σ = 1272014577240. Its totient is φ = 1269843901560.

The previous prime is 1270929239323. The next prime is 1270929239401. The reversal of 1270929239399 is 9939329290721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1270929239399 - 2²⁰ = 1270928190823 is a prime.

It is a super-2 number, since 2×1270929239399² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1270929238399) 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, 542667164 + ... + 542669505.

It is an arithmetic number, because the mean of its divisors is an integer number (318003644310).

Almost surely, 2^{1270929239399} is an apocalyptic number.

1270929239399 is a deficient number, since it is larger than the sum of its proper divisors (1085337841).

1270929239399 is a wasteful number, since it uses less digits than its factorization.

1270929239399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085337840.

The product of its (nonzero) digits is 29760696, while the sum is 65.

The spelling of 1270929239399 in words is "one trillion, two hundred seventy billion, nine hundred twenty-nine million, two hundred thirty-nine thousand, three hundred ninety-nine".