738173420053 has 4 divisors (see below), whose sum is σ = 742875161740. Its totient is φ = 733471678368.

The previous prime is 738173420021. The next prime is 738173420063. The reversal of 738173420053 is 350024371837.

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

It can be written as a sum of positive squares in 2 ways, for example, as 465044891364 + 273128528689 = 681942^2 + 522617^2 .

It is a cyclic number.

It is not a de Polignac number, because 738173420053 - 2⁵ = 738173420021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 738173419991 and 738173420009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (738173420063) 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, 2350870608 + ... + 2350870921.

It is an arithmetic number, because the mean of its divisors is an integer number (185718790435).

Almost surely, 2^738173420053 is an apocalyptic number.

It is an amenable number.

738173420053 is a deficient number, since it is larger than the sum of its proper divisors (4701741687).

738173420053 is a wasteful number, since it uses less digits than its factorization.

738173420053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4701741686.

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 738173420053 in words is "seven hundred thirty-eight billion, one hundred seventy-three million, four hundred twenty thousand, fifty-three".