1849798377 has 48 divisors (see below), whose sum is σ = 3214195712. Its totient is φ = 1041186960.

The previous prime is 1849798369. The next prime is 1849798393. The reversal of 1849798377 is 7738979481.

It is not a de Polignac number, because 1849798377 - 2³ = 1849798369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (1849798337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105852 + ... + 122082.

Almost surely, 2^1849798377 is an apocalyptic number.

It is an amenable number.

1849798377 is a deficient number, since it is larger than the sum of its proper divisors (1364397335).

1849798377 is an equidigital number, since it uses as much as digits as its factorization.

1849798377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16320 (or 16308 counting only the distinct ones).

The product of its digits is 21337344, while the sum is 63.

The square root of 1849798377 is about 43009.2824515825. The cubic root of 1849798377 is about 1227.5564277067.

The spelling of 1849798377 in words is "one billion, eight hundred forty-nine million, seven hundred ninety-eight thousand, three hundred seventy-seven".