47069561643 has 16 divisors (see below), whose sum is σ = 67977749280. Its totient is φ = 28798447104.

The previous prime is 47069561639. The next prime is 47069561647. The reversal of 47069561643 is 34616596074.

It is an interprime number because it is at equal distance from previous prime (47069561639) and next prime (47069561647).

It is not a de Polignac number, because 47069561643 - 2² = 47069561639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47069561647) 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, 3481438 + ... + 3494931.

It is an arithmetic number, because the mean of its divisors is an integer number (4248609330).

Almost surely, 2^47069561643 is an apocalyptic number.

47069561643 is a deficient number, since it is larger than the sum of its proper divisors (20908187637).

47069561643 is a wasteful number, since it uses less digits than its factorization.

47069561643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6976558.

The product of its (nonzero) digits is 3265920, while the sum is 51.

The spelling of 47069561643 in words is "forty-seven billion, sixty-nine million, five hundred sixty-one thousand, six hundred forty-three".