1399830011 has 4 divisors (see below), whose sum is σ = 1426241952. Its totient is φ = 1373418072.

The previous prime is 1399829983. The next prime is 1399830037. The reversal of 1399830011 is 1100389931.

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

It is a cyclic number.

It is not a de Polignac number, because 1399830011 - 2¹⁰ = 1399828987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1399830511) 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, 13205891 + ... + 13205996.

It is an arithmetic number, because the mean of its divisors is an integer number (356560488).

Almost surely, 2^1399830011 is an apocalyptic number.

1399830011 is a deficient number, since it is larger than the sum of its proper divisors (26411941).

1399830011 is an equidigital number, since it uses as much as digits as its factorization.

1399830011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26411940.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 1399830011 is about 37414.3022252186. The cubic root of 1399830011 is about 1118.6436629119.

The spelling of 1399830011 in words is "one billion, three hundred ninety-nine million, eight hundred thirty thousand, eleven".