428965327573 has 4 divisors (see below), whose sum is σ = 428975486368. Its totient is φ = 428955168780.

The previous prime is 428965327547. The next prime is 428965327613. The reversal of 428965327573 is 375723569824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 428965327573 - 2¹³ = 428965319381 is a prime.

It is a super-2 number, since 2×428965327573² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428965327523) 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, 5015793 + ... + 5100598.

It is an arithmetic number, because the mean of its divisors is an integer number (107243871592).

Almost surely, 2^428965327573 is an apocalyptic number.

It is an amenable number.

428965327573 is a deficient number, since it is larger than the sum of its proper divisors (10158795).

428965327573 is a wasteful number, since it uses less digits than its factorization.

428965327573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10158794.

The product of its digits is 76204800, while the sum is 61.

The spelling of 428965327573 in words is "four hundred twenty-eight billion, nine hundred sixty-five million, three hundred twenty-seven thousand, five hundred seventy-three".