28917460019 has 16 divisors (see below), whose sum is σ = 33681795840. Its totient is φ = 24313270560.

The previous prime is 28917459983. The next prime is 28917460049. The reversal of 28917460019 is 91006471982.

It is a cyclic number.

It is not a de Polignac number, because 28917460019 - 2⁸ = 28917459763 is a prime.

It is a super-2 number, since 2×28917460019² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28917460049) 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, 114452 + ... + 266334.

It is an arithmetic number, because the mean of its divisors is an integer number (2105112240).

Almost surely, 2^28917460019 is an apocalyptic number.

28917460019 is a deficient number, since it is larger than the sum of its proper divisors (4764335821).

28917460019 is a wasteful number, since it uses less digits than its factorization.

28917460019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152410.

The product of its (nonzero) digits is 217728, while the sum is 47.

The spelling of 28917460019 in words is "twenty-eight billion, nine hundred seventeen million, four hundred sixty thousand, nineteen".