1873490769 has 8 divisors (see below), whose sum is σ = 2775541920. Its totient is φ = 1248993828.

The previous prime is 1873490753. The next prime is 1873490771. The reversal of 1873490769 is 9670943781.

It is a happy number.

1873490769 is a `hidden beast` number, since 1 + 87 + 3 + 490 + 76 + 9 = 666.

It is not a de Polignac number, because 1873490769 - 2⁴ = 1873490753 is a prime.

It is a super-2 number, since 2×1873490769² = 7019935323056422722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1873490869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34694247 + ... + 34694300.

It is an arithmetic number, because the mean of its divisors is an integer number (346942740).

Almost surely, 2^1873490769 is an apocalyptic number.

It is an amenable number.

1873490769 is a deficient number, since it is larger than the sum of its proper divisors (902051151).

1873490769 is an equidigital number, since it uses as much as digits as its factorization.

1873490769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69388556 (or 69388550 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The square root of 1873490769 is about 43283.8395824585. The cubic root of 1873490769 is about 1232.7750964696.

The spelling of 1873490769 in words is "one billion, eight hundred seventy-three million, four hundred ninety thousand, seven hundred sixty-nine".