1370277978497 has 4 divisors (see below), whose sum is σ = 1393503029040. Its totient is φ = 1347052927956.

The previous prime is 1370277978491. The next prime is 1370277978523. The reversal of 1370277978497 is 7948797720731.

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 1370277978497 - 2⁴⁰ = 270766350721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1370277978497.

It is not an unprimeable number, because it can be changed into a prime (1370277978491) 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, 11612525183 + ... + 11612525300.

It is an arithmetic number, because the mean of its divisors is an integer number (348375757260).

Almost surely, 2^{1370277978497} is an apocalyptic number.

It is an amenable number.

1370277978497 is a deficient number, since it is larger than the sum of its proper divisors (23225050543).

1370277978497 is an equidigital number, since it uses as much as digits as its factorization.

1370277978497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23225050542.

The product of its (nonzero) digits is 261382464, while the sum is 71.

The spelling of 1370277978497 in words is "one trillion, three hundred seventy billion, two hundred seventy-seven million, nine hundred seventy-eight thousand, four hundred ninety-seven".