48047019866 has 4 divisors (see below), whose sum is σ = 72070529802. Its totient is φ = 24023509932.

The previous prime is 48047019829. The next prime is 48047019869. The reversal of 48047019866 is 66891074084.

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

It can be written as a sum of positive squares in only one way, i.e., 41826385225 + 6220634641 = 204515^2 + 78871^2 .

It is a super-2 number, since 2×48047019866² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48047019869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12011754965 + ... + 12011754968.

Almost surely, 2^48047019866 is an apocalyptic number.

48047019866 is a deficient number, since it is larger than the sum of its proper divisors (24023509936).

48047019866 is a wasteful number, since it uses less digits than its factorization.

48047019866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24023509935.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 48047019866 in words is "forty-eight billion, forty-seven million, nineteen thousand, eight hundred sixty-six".