6492072638 has 16 divisors (see below), whose sum is σ = 10087789056. Its totient is φ = 3130216920.

The previous prime is 6492072637. The next prime is 6492072641. The reversal of 6492072638 is 8362702946.

It is a junction number, because it is equal to n+sod(n) for n = 6492072592 and 6492072601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6492072637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167456 + ... + 202547.

It is an arithmetic number, because the mean of its divisors is an integer number (630486816).

Almost surely, 2^6492072638 is an apocalyptic number.

6492072638 is a deficient number, since it is larger than the sum of its proper divisors (3595716418).

6492072638 is a wasteful number, since it uses less digits than its factorization.

6492072638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370319.

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 6492072638 is about 80573.3990719021. The cubic root of 6492072638 is about 1865.4965783032.

The spelling of 6492072638 in words is "six billion, four hundred ninety-two million, seventy-two thousand, six hundred thirty-eight".