425993799 has 48 divisors (see below), whose sum is σ = 723617280. Its totient is φ = 220429440.

The previous prime is 425993797. The next prime is 425993809. The reversal of 425993799 is 997399524.

It is not a de Polignac number, because 425993799 - 2¹ = 425993797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425993797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 748387 + ... + 748955.

It is an arithmetic number, because the mean of its divisors is an integer number (15075360).

Almost surely, 2^425993799 is an apocalyptic number.

425993799 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

425993799 is a deficient number, since it is larger than the sum of its proper divisors (297623481).

425993799 is a wasteful number, since it uses less digits than its factorization.

425993799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060 (or 1053 counting only the distinct ones).

The product of its digits is 5511240, while the sum is 57.

The square root of 425993799 is about 20639.6172202878. The cubic root of 425993799 is about 752.4328694396.

The spelling of 425993799 in words is "four hundred twenty-five million, nine hundred ninety-three thousand, seven hundred ninety-nine".