28411643407 has 16 divisors (see below), whose sum is σ = 34184508160. Its totient is φ = 23067675072.

The previous prime is 28411643401. The next prime is 28411643413. The reversal of 28411643407 is 70434611482.

It is an interprime number because it is at equal distance from previous prime (28411643401) and next prime (28411643413).

It is a cyclic number.

It is not a de Polignac number, because 28411643407 - 2⁷ = 28411643279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28411643407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28411643401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1271443 + ... + 1293595.

It is an arithmetic number, because the mean of its divisors is an integer number (2136531760).

Almost surely, 2^28411643407 is an apocalyptic number.

28411643407 is a deficient number, since it is larger than the sum of its proper divisors (5772864753).

28411643407 is a wasteful number, since it uses less digits than its factorization.

28411643407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31822.

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 28411643407 in words is "twenty-eight billion, four hundred eleven million, six hundred forty-three thousand, four hundred seven".