47999963569 has 4 divisors (see below), whose sum is σ = 48227451760. Its totient is φ = 47772475380.

The previous prime is 47999963527. The next prime is 47999963591. The reversal of 47999963569 is 96536999974.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47999963569 - 2⁷ = 47999963441 is a prime.

It is a super-2 number, since 2×47999963569² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47999963495 and 47999963504.

It is not an unprimeable number, because it can be changed into a prime (47999963069) 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, 113743779 + ... + 113744200.

It is an arithmetic number, because the mean of its divisors is an integer number (12056862940).

Almost surely, 2^47999963569 is an apocalyptic number.

It is an amenable number.

47999963569 is a deficient number, since it is larger than the sum of its proper divisors (227488191).

47999963569 is a wasteful number, since it uses less digits than its factorization.

47999963569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227488190.

The product of its digits is 892820880, while the sum is 76.

The spelling of 47999963569 in words is "forty-seven billion, nine hundred ninety-nine million, nine hundred sixty-three thousand, five hundred sixty-nine".