2428499391 has 8 divisors (see below), whose sum is σ = 3243814704. Its totient is φ = 1616091840.

The previous prime is 2428499389. The next prime is 2428499431. The reversal of 2428499391 is 1939948242.

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

It is not a de Polignac number, because 2428499391 - 2¹ = 2428499389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2428499191) 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, 724990 + ... + 728331.

It is an arithmetic number, because the mean of its divisors is an integer number (405476838).

Almost surely, 2^2428499391 is an apocalyptic number.

2428499391 is a deficient number, since it is larger than the sum of its proper divisors (815315313).

2428499391 is a wasteful number, since it uses less digits than its factorization.

2428499391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453881.

The product of its digits is 1119744, while the sum is 51.

The square root of 2428499391 is about 49279.8071323336. The cubic root of 2428499391 is about 1344.1446247473.

The spelling of 2428499391 in words is "two billion, four hundred twenty-eight million, four hundred ninety-nine thousand, three hundred ninety-one".