673428449522 has 8 divisors (see below), whose sum is σ = 1037443827756. Its totient is φ = 327613840272.

The previous prime is 673428449483. The next prime is 673428449527. The reversal of 673428449522 is 225944824376.

It can be written as a sum of positive squares in 2 ways, for example, as 656146980841 + 17281468681 = 810029^2 + 131459^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (673428449527) 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, 4550192153 + ... + 4550192300.

Almost surely, 2^673428449522 is an apocalyptic number.

673428449522 is a deficient number, since it is larger than the sum of its proper divisors (364015378234).

673428449522 is a wasteful number, since it uses less digits than its factorization.

673428449522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9100384492.

The product of its digits is 23224320, while the sum is 56.

The spelling of 673428449522 in words is "six hundred seventy-three billion, four hundred twenty-eight million, four hundred forty-nine thousand, five hundred twenty-two".