428673942325 has 24 divisors (see below), whose sum is σ = 547283933640. Its totient is φ = 332838144000.

The previous prime is 428673942299. The next prime is 428673942409. The reversal of 428673942325 is 523249376824.

It can be written as a sum of positive squares in 12 ways, for example, as 71579256849 + 357094685476 = 267543^2 + 597574^2 .

It is not a de Polignac number, because 428673942325 - 2⁷ = 428673942197 is a prime.

It is a super-2 number, since 2×428673942325² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 206920 + ... + 948769.

It is an arithmetic number, because the mean of its divisors is an integer number (22803497235).

Almost surely, 2^428673942325 is an apocalyptic number.

It is an amenable number.

428673942325 is a deficient number, since it is larger than the sum of its proper divisors (118609991315).

428673942325 is a wasteful number, since it uses less digits than its factorization.

428673942325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156137 (or 1156132 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 55.

The spelling of 428673942325 in words is "four hundred twenty-eight billion, six hundred seventy-three million, nine hundred forty-two thousand, three hundred twenty-five".