1369379742025 has 27 divisors (see below), whose sum is σ = 1706115205191. Its totient is φ = 1090312764240.

The previous prime is 1369379741957. The next prime is 1369379742037. The reversal of 1369379742025 is 5202479739631.

The square root of 1369379742025 is 1170205.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 492976707129 + 876403034896 = 702123^2 + 936164^2 .

It is not a de Polignac number, because 1369379742025 - 2⁷ = 1369379741897 is a prime.

It is a super-2 number, since 2×1369379742025² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1655839662 + ... + 1655840488.

Almost surely, 2^{1369379742025} is an apocalyptic number.

1369379742025 is the 1170205-th square number.

1369379742025 is the 585103-rd centered octagonal number.

It is an amenable number.

1369379742025 is a deficient number, since it is larger than the sum of its proper divisors (336735463166).

1369379742025 is an frugal number, since it uses more digits than its factorization.

1369379742025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230 (or 1115 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 58.

The spelling of 1369379742025 in words is "one trillion, three hundred sixty-nine billion, three hundred seventy-nine million, seven hundred forty-two thousand, twenty-five".