1372277366213 has 4 divisors (see below), whose sum is σ = 1477837163628. Its totient is φ = 1266717568800.

The previous prime is 1372277366209. The next prime is 1372277366227. The reversal of 1372277366213 is 3126637722731.

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

It can be written as a sum of positive squares in 2 ways, for example, as 840168392449 + 532108973764 = 916607^2 + 729458^2 .

It is a cyclic number.

It is not a de Polignac number, because 1372277366213 - 2² = 1372277366209 is a prime.

It is a super-2 number, since 2×1372277366213² (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 (1372277366263) 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, 52779898688 + ... + 52779898713.

It is an arithmetic number, because the mean of its divisors is an integer number (369459290907).

Almost surely, 2^{1372277366213} is an apocalyptic number.

1372277366213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1372277366213 is a deficient number, since it is larger than the sum of its proper divisors (105559797415).

1372277366213 is a wasteful number, since it uses less digits than its factorization.

1372277366213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105559797414.

The product of its digits is 2667168, while the sum is 50.

The spelling of 1372277366213 in words is "one trillion, three hundred seventy-two billion, two hundred seventy-seven million, three hundred sixty-six thousand, two hundred thirteen".