5198123942 has 12 divisors (see below), whose sum is σ = 8570460948. Its totient is φ = 2362783500.

The previous prime is 5198123933. The next prime is 5198123971. The reversal of 5198123942 is 2493218915.

It is a junction number, because it is equal to n+sod(n) for n = 5198123893 and 5198123902.

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 5 ways as a sum of consecutive naturals, for example, 10739684 + ... + 10740167.

It is an arithmetic number, because the mean of its divisors is an integer number (714205079).

Almost surely, 2^5198123942 is an apocalyptic number.

5198123942 is a deficient number, since it is larger than the sum of its proper divisors (3372337006).

5198123942 is a wasteful number, since it uses less digits than its factorization.

5198123942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21479875 (or 21479864 counting only the distinct ones).

The product of its digits is 155520, while the sum is 44.

The square root of 5198123942 is about 72098.0162140402. The cubic root of 5198123942 is about 1732.2698375691.

The spelling of 5198123942 in words is "five billion, one hundred ninety-eight million, one hundred twenty-three thousand, nine hundred forty-two".