2013428999 has 4 divisors (see below), whose sum is σ = 2018100960. Its totient is φ = 2008757040.

The previous prime is 2013428981. The next prime is 2013429091. The reversal of 2013428999 is 9998243102.

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 2013428999 - 2¹⁶ = 2013363463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013428939) 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, 2335334 + ... + 2336195.

It is an arithmetic number, because the mean of its divisors is an integer number (504525240).

Almost surely, 2^2013428999 is an apocalyptic number.

2013428999 is a deficient number, since it is larger than the sum of its proper divisors (4671961).

2013428999 is an equidigital number, since it uses as much as digits as its factorization.

2013428999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4671960.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 2013428999 is about 44871.2491357216. The cubic root of 2013428999 is about 1262.7346749849.

The spelling of 2013428999 in words is "two billion, thirteen million, four hundred twenty-eight thousand, nine hundred ninety-nine".