738351670491 has 12 divisors (see below), whose sum is σ = 1066658931520. Its totient is φ = 492164771760.

The previous prime is 738351670477. The next prime is 738351670523. The reversal of 738351670491 is 194076153837.

738351670491 is a `hidden beast` number, since 7 + 3 + 83 + 5 + 1 + 6 + 70 + 491 = 666.

It is not a de Polignac number, because 738351670491 - 2⁷ = 738351670363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (738351670691) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5739115 + ... + 5866356.

Almost surely, 2^738351670491 is an apocalyptic number.

738351670491 is a deficient number, since it is larger than the sum of its proper divisors (328307261029).

738351670491 is a wasteful number, since it uses less digits than its factorization.

738351670491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11612546 (or 11612543 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 738351670491 in words is "seven hundred thirty-eight billion, three hundred fifty-one million, six hundred seventy thousand, four hundred ninety-one".