10749221343 has 32 divisors (see below), whose sum is σ = 18205470720. Its totient is φ = 6140478240.

The previous prime is 10749221321. The next prime is 10749221369. The reversal of 10749221343 is 34312294701.

It is a happy number.

10749221343 is a `hidden beast` number, since 107 + 492 + 21 + 3 + 43 = 666.

It is not a de Polignac number, because 10749221343 - 2¹³ = 10749213151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10749221298 and 10749221307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10749221383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 773113 + ... + 786893.

It is an arithmetic number, because the mean of its divisors is an integer number (568920960).

Almost surely, 2^10749221343 is an apocalyptic number.

10749221343 is a deficient number, since it is larger than the sum of its proper divisors (7456249377).

10749221343 is a wasteful number, since it uses less digits than its factorization.

10749221343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17924 (or 17918 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 10749221343 in words is "ten billion, seven hundred forty-nine million, two hundred twenty-one thousand, three hundred forty-three".