28483881741 has 90 divisors (see below), whose sum is σ = 50455458702. Its totient is φ = 16009675920.

The previous prime is 28483881733. The next prime is 28483881757. The reversal of 28483881741 is 14718838482.

It can be written as a sum of positive squares in only one way, i.e., 16810159716 + 11673722025 = 129654^2 + 108045^2 .

It is not a de Polignac number, because 28483881741 - 2³ = 28483881733 is a prime.

It is a super-2 number, since 2×28483881741² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28483881541) by changing a digit.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 466948851 + ... + 466948911.

Almost surely, 2^28483881741 is an apocalyptic number.

28483881741 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

28483881741 is a deficient number, since it is larger than the sum of its proper divisors (21971576961).

28483881741 is an frugal number, since it uses more digits than its factorization.

28483881741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 71 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 54.

The spelling of 28483881741 in words is "twenty-eight billion, four hundred eighty-three million, eight hundred eighty-one thousand, seven hundred forty-one".