43722375349 has 4 divisors (see below), whose sum is σ = 43741664064. Its totient is φ = 43703086636.

The previous prime is 43722375337. The next prime is 43722375373. The reversal of 43722375349 is 94357322734.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43722375349 - 2⁵ = 43722375317 is a prime.

It is a super-2 number, since 2×43722375349² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43722375379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9640957 + ... + 9645490.

It is an arithmetic number, because the mean of its divisors is an integer number (10935416016).

Almost surely, 2^43722375349 is an apocalyptic number.

It is an amenable number.

43722375349 is a deficient number, since it is larger than the sum of its proper divisors (19288715).

43722375349 is a wasteful number, since it uses less digits than its factorization.

43722375349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19288714.

The product of its digits is 3810240, while the sum is 49.

The spelling of 43722375349 in words is "forty-three billion, seven hundred twenty-two million, three hundred seventy-five thousand, three hundred forty-nine".