738608513 has 4 divisors (see below), whose sum is σ = 738723888. Its totient is φ = 738493140.

The previous prime is 738608509. The next prime is 738608539. The reversal of 738608513 is 315806837.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 315806837 = 2789 ⋅113233.

It is a cyclic number.

It is not a de Polignac number, because 738608513 - 2² = 738608509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (738608543) 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, 47483 + ... + 61088.

It is an arithmetic number, because the mean of its divisors is an integer number (184680972).

Almost surely, 2^738608513 is an apocalyptic number.

It is an amenable number.

738608513 is a deficient number, since it is larger than the sum of its proper divisors (115375).

738608513 is a wasteful number, since it uses less digits than its factorization.

738608513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115374.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 738608513 is about 27177.3529432136. The cubic root of 738608513 is about 903.9368743773.

The spelling of 738608513 in words is "seven hundred thirty-eight million, six hundred eight thousand, five hundred thirteen".