1392919775197 has 4 divisors (see below), whose sum is σ = 1413709622656. Its totient is φ = 1372129927740.

The previous prime is 1392919775179. The next prime is 1392919775213. The reversal of 1392919775197 is 7915779192931.

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 not a de Polignac number, because 1392919775197 - 2¹¹ = 1392919773149 is a prime.

It is a super-2 number, since 2×1392919775197² (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 (1392919775297) 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, 10394923629 + ... + 10394923762.

It is an arithmetic number, because the mean of its divisors is an integer number (353427405664).

Almost surely, 2^{1392919775197} is an apocalyptic number.

It is an amenable number.

1392919775197 is a deficient number, since it is larger than the sum of its proper divisors (20789847459).

1392919775197 is an equidigital number, since it uses as much as digits as its factorization.

1392919775197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20789847458.

The product of its digits is 67512690, while the sum is 70.

The spelling of 1392919775197 in words is "one trillion, three hundred ninety-two billion, nine hundred nineteen million, seven hundred seventy-five thousand, one hundred ninety-seven".