1799493249 has 8 divisors (see below), whose sum is σ = 2525604640. Its totient is φ = 1136522016.

The previous prime is 1799493233. The next prime is 1799493253. The reversal of 1799493249 is 9423949971.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1799493249 - 2⁴ = 1799493233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 31570057 = 1799493249 / (1 + 7 + 9 + 9 + 4 + 9 + 3 + 2 + 4 + 9).

It is not an unprimeable number, because it can be changed into a prime (1799493049) 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, 15784972 + ... + 15785085.

It is an arithmetic number, because the mean of its divisors is an integer number (315700580).

Almost surely, 2^1799493249 is an apocalyptic number.

1799493249 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1799493249 is a deficient number, since it is larger than the sum of its proper divisors (726111391).

1799493249 is a wasteful number, since it uses less digits than its factorization.

1799493249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31570079.

The product of its digits is 4408992, while the sum is 57.

The square root of 1799493249 is about 42420.4343329957. The cubic root of 1799493249 is about 1216.3262342544.

The spelling of 1799493249 in words is "one billion, seven hundred ninety-nine million, four hundred ninety-three thousand, two hundred forty-nine".