4536537438 has 32 divisors (see below), whose sum is σ = 9382283136. Its totient is φ = 1461496608.

The previous prime is 4536537377. The next prime is 4536537443. The reversal of 4536537438 is 8347356354.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85156 + ... + 127767.

It is an arithmetic number, because the mean of its divisors is an integer number (293196348).

Almost surely, 2^4536537438 is an apocalyptic number.

4536537438 is an abundant number, since it is smaller than the sum of its proper divisors (4845745698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4536537438 is a wasteful number, since it uses less digits than its factorization.

4536537438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213048.

The product of its digits is 3628800, while the sum is 48.

The square root of 4536537438 is about 67353.8227422913. The cubic root of 4536537438 is about 1655.4198802614.

The spelling of 4536537438 in words is "four billion, five hundred thirty-six million, five hundred thirty-seven thousand, four hundred thirty-eight".