28042912913 has 8 divisors (see below), whose sum is σ = 29442895680. Its totient is φ = 26671795920.

The previous prime is 28042912897. The next prime is 28042912939. The reversal of 28042912913 is 31921924082.

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

It is a cyclic number.

It is not a de Polignac number, because 28042912913 - 2⁴ = 28042912897 is a prime.

It is a super-2 number, since 2×28042912913² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28042912613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7214453 + ... + 7218338.

It is an arithmetic number, because the mean of its divisors is an integer number (3680361960).

Almost surely, 2^28042912913 is an apocalyptic number.

It is an amenable number.

28042912913 is a deficient number, since it is larger than the sum of its proper divisors (1399982767).

28042912913 is a wasteful number, since it uses less digits than its factorization.

28042912913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14432887.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 28042912913 in words is "twenty-eight billion, forty-two million, nine hundred twelve thousand, nine hundred thirteen".