32428714405 has 4 divisors (see below), whose sum is σ = 38914457292. Its totient is φ = 25942971520.

The previous prime is 32428714363. The next prime is 32428714469. The reversal of 32428714405 is 50441782423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50441782423 = 937 ⋅53833279.

It can be written as a sum of positive squares in 2 ways, for example, as 15714878881 + 16713835524 = 125359^2 + 129282^2 .

It is not a de Polignac number, because 32428714405 - 2⁹ = 32428713893 is a prime.

It is a super-2 number, since 2×32428714405² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3242871436 + ... + 3242871445.

It is an arithmetic number, because the mean of its divisors is an integer number (9728614323).

Almost surely, 2^32428714405 is an apocalyptic number.

It is an amenable number.

32428714405 is a deficient number, since it is larger than the sum of its proper divisors (6485742887).

32428714405 is an equidigital number, since it uses as much as digits as its factorization.

32428714405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6485742886.

The product of its (nonzero) digits is 215040, while the sum is 40.

The spelling of 32428714405 in words is "thirty-two billion, four hundred twenty-eight million, seven hundred fourteen thousand, four hundred five".