2401390263899 has 4 divisors (see below), whose sum is σ = 2619698469720. Its totient is φ = 2183082058080.

The previous prime is 2401390263863. The next prime is 2401390263907. The reversal of 2401390263899 is 9983620931042.

It is a happy number.

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

It is not a de Polignac number, because 2401390263899 - 2¹² = 2401390259803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2401390263599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109154102894 + ... + 109154102915.

It is an arithmetic number, because the mean of its divisors is an integer number (654924617430).

Almost surely, 2^{2401390263899} is an apocalyptic number.

2401390263899 is a deficient number, since it is larger than the sum of its proper divisors (218308205821).

2401390263899 is a wasteful number, since it uses less digits than its factorization.

2401390263899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218308205820.

The product of its (nonzero) digits is 5038848, while the sum is 56.

The spelling of 2401390263899 in words is "two trillion, four hundred one billion, three hundred ninety million, two hundred sixty-three thousand, eight hundred ninety-nine".