47146138544 has 20 divisors (see below), whose sum is σ = 91359579696. Its totient is φ = 23569472832.

The previous prime is 47146138517. The next prime is 47146138609. The reversal of 47146138544 is 44583164174.

It is a super-2 number, since 2×47146138544² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115004 + ... + 327899.

Almost surely, 2^47146138544 is an apocalyptic number.

It is an amenable number.

47146138544 is a deficient number, since it is larger than the sum of its proper divisors (44213441152).

47146138544 is a wasteful number, since it uses less digits than its factorization.

47146138544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449564 (or 449558 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 47.

The spelling of 47146138544 in words is "forty-seven billion, one hundred forty-six million, one hundred thirty-eight thousand, five hundred forty-four".