1799138305 has 16 divisors (see below), whose sum is σ = 2290391424. Its totient is φ = 1352021760.

The previous prime is 1799138251. The next prime is 1799138321. The reversal of 1799138305 is 5038319971.

It is a happy number.

It is not a de Polignac number, because 1799138305 - 2¹⁵ = 1799105537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24220 + ... + 64690.

It is an arithmetic number, because the mean of its divisors is an integer number (143149464).

Almost surely, 2^1799138305 is an apocalyptic number.

It is an amenable number.

1799138305 is a deficient number, since it is larger than the sum of its proper divisors (491253119).

1799138305 is a wasteful number, since it uses less digits than its factorization.

1799138305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41016.

The product of its (nonzero) digits is 204120, while the sum is 46.

The square root of 1799138305 is about 42416.2504825686. The cubic root of 1799138305 is about 1216.2462569075.

The spelling of 1799138305 in words is "one billion, seven hundred ninety-nine million, one hundred thirty-eight thousand, three hundred five".