5431751642 has 8 divisors (see below), whose sum is σ = 8150866932. Its totient is φ = 2714796000.

The previous prime is 5431751623. The next prime is 5431751657. The reversal of 5431751642 is 2461571345.

It can be written as a sum of positive squares in 2 ways, for example, as 3382469281 + 2049282361 = 58159^2 + 45269^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 5431751596 and 5431751605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533609 + ... + 543692.

Almost surely, 2^5431751642 is an apocalyptic number.

5431751642 is a deficient number, since it is larger than the sum of its proper divisors (2719115290).

5431751642 is a wasteful number, since it uses less digits than its factorization.

5431751642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079824.

The product of its digits is 100800, while the sum is 38.

The square root of 5431751642 is about 73700.4181942002. The cubic root of 5431751642 is about 1757.8425313554.

The spelling of 5431751642 in words is "five billion, four hundred thirty-one million, seven hundred fifty-one thousand, six hundred forty-two".