5431657342 has 4 divisors (see below), whose sum is σ = 8147486016. Its totient is φ = 2715828670.

The previous prime is 5431657339. The next prime is 5431657349. The reversal of 5431657342 is 2437561345.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2437561345 = 5 ⋅487512269.

It is a junction number, because it is equal to n+sod(n) for n = 5431657295 and 5431657304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5431657349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1357914334 + ... + 1357914337.

It is an arithmetic number, because the mean of its divisors is an integer number (2036871504).

Almost surely, 2^5431657342 is an apocalyptic number.

5431657342 is a deficient number, since it is larger than the sum of its proper divisors (2715828674).

5431657342 is a wasteful number, since it uses less digits than its factorization.

5431657342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2715828673.

The product of its digits is 302400, while the sum is 40.

The square root of 5431657342 is about 73699.7784392870. The cubic root of 5431657342 is about 1757.8323587309.

The spelling of 5431657342 in words is "five billion, four hundred thirty-one million, six hundred fifty-seven thousand, three hundred forty-two".