43197942667 has 16 divisors (see below), whose sum is σ = 49999652352. Its totient is φ = 36884833920.

The previous prime is 43197942653. The next prime is 43197942691. The reversal of 43197942667 is 76624979134.

It is not a de Polignac number, because 43197942667 - 2⁷ = 43197942539 is a prime.

It is a super-2 number, since 2×43197942667² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43197942167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146103 + ... + 328240.

It is an arithmetic number, because the mean of its divisors is an integer number (3124978272).

Almost surely, 2^43197942667 is an apocalyptic number.

43197942667 is a deficient number, since it is larger than the sum of its proper divisors (6801709685).

43197942667 is a wasteful number, since it uses less digits than its factorization.

43197942667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474858.

The product of its digits is 13716864, while the sum is 58.

The spelling of 43197942667 in words is "forty-three billion, one hundred ninety-seven million, nine hundred forty-two thousand, six hundred sixty-seven".