43495954947 has 6 divisors (see below), whose sum is σ = 62827490492. Its totient is φ = 28997303292.

The previous prime is 43495954937. The next prime is 43495954949. The reversal of 43495954947 is 74945959434.

43495954947 is a `hidden beast` number, since 4 + 3 + 49 + 5 + 9 + 549 + 47 = 666.

It is not a de Polignac number, because 43495954947 - 2¹² = 43495950851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43495954949) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2416441933 + ... + 2416441950.

Almost surely, 2^43495954947 is an apocalyptic number.

43495954947 is a deficient number, since it is larger than the sum of its proper divisors (19331535545).

43495954947 is a wasteful number, since it uses less digits than its factorization.

43495954947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4832883889 (or 4832883886 counting only the distinct ones).

The product of its digits is 97977600, while the sum is 63.

The spelling of 43495954947 in words is "forty-three billion, four hundred ninety-five million, nine hundred fifty-four thousand, nine hundred forty-seven".