1369969625 has 16 divisors (see below), whose sum is σ = 1724870160. Its totient is φ = 1086265600.

The previous prime is 1369969621. The next prime is 1369969649. The reversal of 1369969625 is 5269699631.

It can be written as a sum of positive squares in 8 ways, for example, as 931653529 + 438316096 = 30523^2 + 20936^2 .

It is not a de Polignac number, because 1369969625 - 2² = 1369969621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1369969621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34370 + ... + 62619.

It is an arithmetic number, because the mean of its divisors is an integer number (107804385).

Almost surely, 2^1369969625 is an apocalyptic number.

It is an amenable number.

1369969625 is a deficient number, since it is larger than the sum of its proper divisors (354900535).

1369969625 is an equidigital number, since it uses as much as digits as its factorization.

1369969625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97117 (or 97107 counting only the distinct ones).

The product of its digits is 4723920, while the sum is 56.

The square root of 1369969625 is about 37013.1007212311. The cubic root of 1369969625 is about 1110.6323332149.

The spelling of 1369969625 in words is "one billion, three hundred sixty-nine million, nine hundred sixty-nine thousand, six hundred twenty-five".