2493993942 has 64 divisors (see below), whose sum is σ = 6401721600. Its totient is φ = 711296640.

The previous prime is 2493993923. The next prime is 2493993977.

2493993942 is a `hidden beast` number, since 249 + 3 + 9 + 9 + 394 + 2 = 666.

2493993942 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113392 + ... + 133587.

It is an arithmetic number, because the mean of its divisors is an integer number (100026900).

Almost surely, 2^2493993942 is an apocalyptic number.

2493993942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2493993942 is an abundant number, since it is smaller than the sum of its proper divisors (3907727658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2493993942 is a wasteful number, since it uses less digits than its factorization.

2493993942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247018 (or 247012 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 54.

The square root of 2493993942 is about 49939.9033038711. The cubic root of 2493993942 is about 1356.1210734560.

The spelling of 2493993942 in words is "two billion, four hundred ninety-three million, nine hundred ninety-three thousand, nine hundred forty-two".