28963490883629 has 4 divisors (see below), whose sum is σ = 28966815062076. Its totient is φ = 28960166705184.

The previous prime is 28963490883623. The next prime is 28963490883737. The reversal of 28963490883629 is 92638809436982.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25964099868004 + 2999391015625 = 5095498^2 + 1731875^2 .

It is a cyclic number.

It is not a de Polignac number, because 28963490883629 - 2³² = 28959195916333 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 28963490883629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28963490883623) 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, 1662076154 + ... + 1662093579.

It is an arithmetic number, because the mean of its divisors is an integer number (7241703765519).

Almost surely, 2^{28963490883629} is an apocalyptic number.

It is an amenable number.

28963490883629 is a deficient number, since it is larger than the sum of its proper divisors (3324178447).

28963490883629 is an equidigital number, since it uses as much as digits as its factorization.

28963490883629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324178446.

The product of its (nonzero) digits is 1934917632, while the sum is 77.

The spelling of 28963490883629 in words is "twenty-eight trillion, nine hundred sixty-three billion, four hundred ninety million, eight hundred eighty-three thousand, six hundred twenty-nine".