47894156943 has 4 divisors (see below), whose sum is σ = 63858875928. Its totient is φ = 31929437960.

The previous prime is 47894156923. The next prime is 47894156963. The reversal of 47894156943 is 34965149874.

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

It is an interprime number because it is at equal distance from previous prime (47894156923) and next prime (47894156963).

It is a cyclic number.

It is not a de Polignac number, because 47894156943 - 2¹³ = 47894148751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47894156923) 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, 7982359488 + ... + 7982359493.

It is an arithmetic number, because the mean of its divisors is an integer number (15964718982).

Almost surely, 2^47894156943 is an apocalyptic number.

47894156943 is a deficient number, since it is larger than the sum of its proper divisors (15964718985).

47894156943 is a wasteful number, since it uses less digits than its factorization.

47894156943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15964718984.

The product of its digits is 26127360, while the sum is 60.

The spelling of 47894156943 in words is "forty-seven billion, eight hundred ninety-four million, one hundred fifty-six thousand, nine hundred forty-three".