5431983942 has 64 divisors (see below), whose sum is σ = 13562131968. Its totient is φ = 1409088000.

The previous prime is 5431983917. The next prime is 5431983943. The reversal of 5431983942 is 2493891345.

It is a super-2 number, since 2×5431983942² = 59012899092291718728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5431983891 and 5431983900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5431983943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 372142 + ... + 386462.

It is an arithmetic number, because the mean of its divisors is an integer number (211908312).

Almost surely, 2^5431983942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5431983942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6781065984).

5431983942 is an abundant number, since it is smaller than the sum of its proper divisors (8130148026).

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

5431983942 is a wasteful number, since it uses less digits than its factorization.

5431983942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15165.

The product of its digits is 933120, while the sum is 48.

The square root of 5431983942 is about 73701.9941521259. The cubic root of 5431983942 is about 1757.8675902453.

The spelling of 5431983942 in words is "five billion, four hundred thirty-one million, nine hundred eighty-three thousand, nine hundred forty-two".