43570994471 has 4 divisors (see below), whose sum is σ = 43584886992. Its totient is φ = 43557101952.

The previous prime is 43570994459. The next prime is 43570994473. The reversal of 43570994471 is 17449907534.

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 43570994471 - 2¹⁸ = 43570732327 is a prime.

It is a super-3 number, since 3×43570994471³ (a number of 33 digits) contains 333 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 (43570994473) 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, 6941555 + ... + 6947828.

It is an arithmetic number, because the mean of its divisors is an integer number (10896221748).

Almost surely, 2^43570994471 is an apocalyptic number.

43570994471 is a deficient number, since it is larger than the sum of its proper divisors (13892521).

43570994471 is a wasteful number, since it uses less digits than its factorization.

43570994471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13892520.

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 43570994471 in words is "forty-three billion, five hundred seventy million, nine hundred ninety-four thousand, four hundred seventy-one".