28151744351 has 8 divisors (see below), whose sum is σ = 28932321264. Its totient is φ = 27375641280.

The previous prime is 28151744317. The next prime is 28151744377. The reversal of 28151744351 is 15344715182.

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 28151744351 - 2¹⁰ = 28151743327 is a prime.

It is a super-2 number, since 2×28151744351² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28151744299 and 28151744308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28151744651) 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, 1105700 + ... + 1130873.

It is an arithmetic number, because the mean of its divisors is an integer number (3616540158).

Almost surely, 2^28151744351 is an apocalyptic number.

28151744351 is a deficient number, since it is larger than the sum of its proper divisors (780576913).

28151744351 is a wasteful number, since it uses less digits than its factorization.

28151744351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236921.

The product of its digits is 134400, while the sum is 41.

The spelling of 28151744351 in words is "twenty-eight billion, one hundred fifty-one million, seven hundred forty-four thousand, three hundred fifty-one".