4021357473 has 48 divisors (see below), whose sum is σ = 6763126656. Its totient is φ = 2254936320.

The previous prime is 4021357451. The next prime is 4021357481. The reversal of 4021357473 is 3747531204.

4021357473 is a `hidden beast` number, since 4 + 0 + 2 + 13 + 574 + 73 = 666.

It is not a de Polignac number, because 4021357473 - 2⁵ = 4021357441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4021357433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2101165 + ... + 2103077.

It is an arithmetic number, because the mean of its divisors is an integer number (140898472).

Almost surely, 2^4021357473 is an apocalyptic number.

It is an amenable number.

4021357473 is a deficient number, since it is larger than the sum of its proper divisors (2741769183).

4021357473 is a wasteful number, since it uses less digits than its factorization.

4021357473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534 (or 2531 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 4021357473 is about 63414.1740701556. The cubic root of 4021357473 is about 1590.2212780917.

Adding to 4021357473 its reverse (3747531204), we get a palindrome (7768888677).

The spelling of 4021357473 in words is "four billion, twenty-one million, three hundred fifty-seven thousand, four hundred seventy-three".