537738645 has 32 divisors (see below), whose sum is σ = 920056320. Its totient is φ = 267238400.

The previous prime is 537738631. The next prime is 537738653. The reversal of 537738645 is 546837735.

It is not a de Polignac number, because 537738645 - 2⁴ = 537738629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 537738594 and 537738603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15316 + ... + 36194.

It is an arithmetic number, because the mean of its divisors is an integer number (28751760).

Almost surely, 2^537738645 is an apocalyptic number.

It is an amenable number.

537738645 is a deficient number, since it is larger than the sum of its proper divisors (382317675).

537738645 is a wasteful number, since it uses less digits than its factorization.

537738645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21005.

The product of its digits is 2116800, while the sum is 48.

The square root of 537738645 is about 23189.1924180209. The cubic root of 537738645 is about 813.1869793807.

The spelling of 537738645 in words is "five hundred thirty-seven million, seven hundred thirty-eight thousand, six hundred forty-five".