1374805469 has 4 divisors (see below), whose sum is σ = 1379916540. Its totient is φ = 1369694400.

The previous prime is 1374805459. The next prime is 1374805489. The reversal of 1374805469 is 9645084731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 325369444 + 1049436025 = 18038^2 + 32395^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1374805469 is a prime.

It is a super-2 number, since 2×1374805469² = 3780180155184619922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374805429) 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, 2555132 + ... + 2555669.

It is an arithmetic number, because the mean of its divisors is an integer number (344979135).

Almost surely, 2^1374805469 is an apocalyptic number.

It is an amenable number.

1374805469 is a deficient number, since it is larger than the sum of its proper divisors (5111071).

1374805469 is an equidigital number, since it uses as much as digits as its factorization.

1374805469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5111070.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 1374805469 is about 37078.3692872273. The cubic root of 1374805469 is about 1111.9376024392.

The spelling of 1374805469 in words is "one billion, three hundred seventy-four million, eight hundred five thousand, four hundred sixty-nine".