1371901097269 has 2 divisors, whose sum is σ = 1371901097270. Its totient is φ = 1371901097268.

The previous prime is 1371901097267. The next prime is 1371901097279. The reversal of 1371901097269 is 9627901091731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1080117468369 + 291783628900 = 1039287^2 + 540170^2 .

It is a cyclic number.

It is not a de Polignac number, because 1371901097269 - 2¹ = 1371901097267 is a prime.

It is a super-2 number, since 2×1371901097269² (a number of 25 digits) contains 22 as substring.

Together with 1371901097267, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1371901097267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685950548634 + 685950548635.

It is an arithmetic number, because the mean of its divisors is an integer number (685950548635).

Almost surely, 2^{1371901097269} is an apocalyptic number.

It is an amenable number.

1371901097269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1371901097269 is an equidigital number, since it uses as much as digits as its factorization.

1371901097269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1285956, while the sum is 55.

The spelling of 1371901097269 in words is "one trillion, three hundred seventy-one billion, nine hundred one million, ninety-seven thousand, two hundred sixty-nine".