545338377403 has 4 divisors (see below), whose sum is σ = 547922919688. Its totient is φ = 542753835120.

The previous prime is 545338377401. The next prime is 545338377413. The reversal of 545338377403 is 304773833545.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 545338377403 - 2¹ = 545338377401 is a prime.

It is a super-2 number, since 2×545338377403² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545338377401) 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, 1292270826 + ... + 1292271247.

It is an arithmetic number, because the mean of its divisors is an integer number (136980729922).

Almost surely, 2^545338377403 is an apocalyptic number.

545338377403 is a deficient number, since it is larger than the sum of its proper divisors (2584542285).

545338377403 is a wasteful number, since it uses less digits than its factorization.

545338377403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584542284.

The product of its (nonzero) digits is 12700800, while the sum is 52.

The spelling of 545338377403 in words is "five hundred forty-five billion, three hundred thirty-eight million, three hundred seventy-seven thousand, four hundred three".