738813819 has 4 divisors (see below), whose sum is σ = 985085096. Its totient is φ = 492542544.

The previous prime is 738813791. The next prime is 738813827. The reversal of 738813819 is 918318837.

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

It is not a de Polignac number, because 738813819 - 2⁵ = 738813787 is a prime.

It is a super-2 number, since 2×738813819² = 1091691718290729522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (738813869) 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, 123135634 + ... + 123135639.

It is an arithmetic number, because the mean of its divisors is an integer number (246271274).

Almost surely, 2^738813819 is an apocalyptic number.

738813819 is a deficient number, since it is larger than the sum of its proper divisors (246271277).

738813819 is a wasteful number, since it uses less digits than its factorization.

738813819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246271276.

The product of its digits is 290304, while the sum is 48.

The square root of 738813819 is about 27181.1298330294. The cubic root of 738813819 is about 904.0206203529.

The spelling of 738813819 in words is "seven hundred thirty-eight million, eight hundred thirteen thousand, eight hundred nineteen".