28436437101 has 4 divisors (see below), whose sum is σ = 37915249472. Its totient is φ = 18957624732.

The previous prime is 28436437093. The next prime is 28436437111. The reversal of 28436437101 is 10173463482.

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 not a de Polignac number, because 28436437101 - 2³ = 28436437093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28436437101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28436437111) 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, 4739406181 + ... + 4739406186.

It is an arithmetic number, because the mean of its divisors is an integer number (9478812368).

Almost surely, 2^28436437101 is an apocalyptic number.

It is an amenable number.

28436437101 is a deficient number, since it is larger than the sum of its proper divisors (9478812371).

28436437101 is an equidigital number, since it uses as much as digits as its factorization.

28436437101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9478812370.

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 28436437101 in words is "twenty-eight billion, four hundred thirty-six million, four hundred thirty-seven thousand, one hundred one".