28122153493 has 8 divisors (see below), whose sum is σ = 32156888960. Its totient is φ = 24091739280.

The previous prime is 28122153469. The next prime is 28122153523. The reversal of 28122153493 is 39435122182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28122153493 - 2¹³ = 28122145301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28122153413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1066353 + ... + 1092406.

It is an arithmetic number, because the mean of its divisors is an integer number (4019611120).

Almost surely, 2^28122153493 is an apocalyptic number.

It is an amenable number.

28122153493 is a deficient number, since it is larger than the sum of its proper divisors (4034735467).

28122153493 is a wasteful number, since it uses less digits than its factorization.

28122153493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160627.

The product of its digits is 103680, while the sum is 40.

The spelling of 28122153493 in words is "twenty-eight billion, one hundred twenty-two million, one hundred fifty-three thousand, four hundred ninety-three".