43672830491 has 4 divisors (see below), whose sum is σ = 45571649232. Its totient is φ = 41774011752.

The previous prime is 43672830479. The next prime is 43672830521. The reversal of 43672830491 is 19403827634.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43672830491 - 2³⁴ = 26492961307 is a prime.

It is a super-2 number, since 2×43672830491² (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 (43672830431) 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, 949409336 + ... + 949409381.

It is an arithmetic number, because the mean of its divisors is an integer number (11392912308).

Almost surely, 2^43672830491 is an apocalyptic number.

43672830491 is a deficient number, since it is larger than the sum of its proper divisors (1898818741).

43672830491 is a wasteful number, since it uses less digits than its factorization.

43672830491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898818740.

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 43672830491 in words is "forty-three billion, six hundred seventy-two million, eight hundred thirty thousand, four hundred ninety-one".