928134743449 has 8 divisors (see below), whose sum is σ = 937773181800. Its totient is φ = 918497734656.

The previous prime is 928134743383. The next prime is 928134743453. The reversal of 928134743449 is 944347431829.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 31922254224 + 896212489225 = 178668^2 + 946685^2 .

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 928134743449 - 2³⁷ = 790695789977 is a prime.

It is a super-2 number, since 2×928134743449² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 928134743393 and 928134743402.

It is not an unprimeable number, because it can be changed into a prime (928134743479) 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, 973437 + ... + 1674469.

It is an arithmetic number, because the mean of its divisors is an integer number (117221647725).

Almost surely, 2^928134743449 is an apocalyptic number.

It is an amenable number.

928134743449 is a deficient number, since it is larger than the sum of its proper divisors (9638438351).

928134743449 is a wasteful number, since it uses less digits than its factorization.

928134743449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714779.

The product of its digits is 20901888, while the sum is 58.

The spelling of 928134743449 in words is "nine hundred twenty-eight billion, one hundred thirty-four million, seven hundred forty-three thousand, four hundred forty-nine".