28910632654201 has 4 divisors (see below), whose sum is σ = 28910751110272. Its totient is φ = 28910514198132.

The previous prime is 28910632654187. The next prime is 28910632654249. The reversal of 28910632654201 is 10245623601982.

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 a de Polignac number, because none of the positive numbers 2^k-28910632654201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28910632654801) 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, 58861185 + ... + 59350318.

It is an arithmetic number, because the mean of its divisors is an integer number (7227687777568).

Almost surely, 2^{28910632654201} is an apocalyptic number.

It is an amenable number.

28910632654201 is a deficient number, since it is larger than the sum of its proper divisors (118456071).

28910632654201 is a wasteful number, since it uses less digits than its factorization.

28910632654201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118456070.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 28910632654201 in words is "twenty-eight trillion, nine hundred ten billion, six hundred thirty-two million, six hundred fifty-four thousand, two hundred one".