5319431890 has 32 divisors (see below), whose sum is σ = 9777173040. Its totient is φ = 2083267584.

The previous prime is 5319431837. The next prime is 5319431891. The reversal of 5319431890 is 981349135.

It can be written as a sum of positive squares in 8 ways, for example, as 4272844689 + 1046587201 = 65367^2 + 32351^2 .

It is not an unprimeable number, because it can be changed into a prime (5319431891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73416 + ... + 126604.

Almost surely, 2^5319431890 is an apocalyptic number.

5319431890 is a deficient number, since it is larger than the sum of its proper divisors (4457741150).

5319431890 is a wasteful number, since it uses less digits than its factorization.

5319431890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53406.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 5319431890 is about 72934.4355568753. The cubic root of 5319431890 is about 1745.6416049908.

The spelling of 5319431890 in words is "five billion, three hundred nineteen million, four hundred thirty-one thousand, eight hundred ninety".