4642521073 has 4 divisors (see below), whose sum is σ = 4642675108. Its totient is φ = 4642367040.

The previous prime is 4642521071. The next prime is 4642521097. The reversal of 4642521073 is 3701252464.

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 4349666304 + 292854769 = 65952^2 + 17113^2 .

It is a cyclic number.

It is not a de Polignac number, because 4642521073 - 2¹ = 4642521071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4642521071) 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, 15348 + ... + 97573.

It is an arithmetic number, because the mean of its divisors is an integer number (1160668777).

Almost surely, 2^4642521073 is an apocalyptic number.

It is an amenable number.

4642521073 is a deficient number, since it is larger than the sum of its proper divisors (154035).

4642521073 is a wasteful number, since it uses less digits than its factorization.

4642521073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154034.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 4642521073 is about 68136.0482637495. The cubic root of 4642521073 is about 1668.2122062126.

The spelling of 4642521073 in words is "four billion, six hundred forty-two million, five hundred twenty-one thousand, seventy-three".