1373269769 has 4 divisors (see below), whose sum is σ = 1373645520. Its totient is φ = 1372894020.

The previous prime is 1373269753. The next prime is 1373269771. The reversal of 1373269769 is 9679623731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9679623731 = 113 ⋅85660387.

It is a cyclic number.

It is not a de Polignac number, because 1373269769 - 2⁴ = 1373269753 is a prime.

It is a super-2 number, since 2×1373269769² = 3771739716898626722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1373269769.

It is not an unprimeable number, because it can be changed into a prime (1373269739) 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, 182339 + ... + 189720.

It is an arithmetic number, because the mean of its divisors is an integer number (343411380).

Almost surely, 2^1373269769 is an apocalyptic number.

It is an amenable number.

1373269769 is a deficient number, since it is larger than the sum of its proper divisors (375751).

1373269769 is an equidigital number, since it uses as much as digits as its factorization.

1373269769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375750.

The product of its digits is 2571912, while the sum is 53.

The square root of 1373269769 is about 37057.6546613517. The cubic root of 1373269769 is about 1111.5234253491.

The spelling of 1373269769 in words is "one billion, three hundred seventy-three million, two hundred sixty-nine thousand, seven hundred sixty-nine".