4231967497 has 4 divisors (see below), whose sum is σ = 4247245636. Its totient is φ = 4216689360.

The previous prime is 4231967491. The next prime is 4231967513. The reversal of 4231967497 is 7947691324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2849317641 + 1382649856 = 53379^2 + 37184^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4231967497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4231967491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7638654 + ... + 7639207.

It is an arithmetic number, because the mean of its divisors is an integer number (1061811409).

Almost surely, 2^4231967497 is an apocalyptic number.

It is an amenable number.

4231967497 is a deficient number, since it is larger than the sum of its proper divisors (15278139).

4231967497 is a wasteful number, since it uses less digits than its factorization.

4231967497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15278138.

The product of its digits is 2286144, while the sum is 52.

The square root of 4231967497 is about 65053.5740524685. The cubic root of 4231967497 is about 1617.5117388088.

The spelling of 4231967497 in words is "four billion, two hundred thirty-one million, nine hundred sixty-seven thousand, four hundred ninety-seven".