1372270204517 has 2 divisors, whose sum is σ = 1372270204518. Its totient is φ = 1372270204516.

The previous prime is 1372270204463. The next prime is 1372270204519. The reversal of 1372270204517 is 7154020722731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1362801746881 + 9468457636 = 1167391^2 + 97306^2 .

It is a cyclic number.

It is not a de Polignac number, because 1372270204517 - 2⁶ = 1372270204453 is a prime.

Together with 1372270204519, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1372270204519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686135102258 + 686135102259.

It is an arithmetic number, because the mean of its divisors is an integer number (686135102259).

Almost surely, 2^{1372270204517} is an apocalyptic number.

It is an amenable number.

1372270204517 is a deficient number, since it is larger than the sum of its proper divisors (1).

1372270204517 is an equidigital number, since it uses as much as digits as its factorization.

1372270204517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 164640, while the sum is 41.

The spelling of 1372270204517 in words is "one trillion, three hundred seventy-two billion, two hundred seventy million, two hundred four thousand, five hundred seventeen".