47914681541 has 4 divisors (see below), whose sum is σ = 49209672972. Its totient is φ = 46619690112.

The previous prime is 47914681501. The next prime is 47914681547. The reversal of 47914681541 is 14518641974.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14518641974 = 2 ⋅7259320987.

It can be written as a sum of positive squares in 2 ways, for example, as 31798379041 + 16116302500 = 178321^2 + 126950^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47914681541 is a prime.

It is a super-2 number, since 2×47914681541² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47914681541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47914681547) 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, 647495660 + ... + 647495733.

It is an arithmetic number, because the mean of its divisors is an integer number (12302418243).

Almost surely, 2^47914681541 is an apocalyptic number.

It is an amenable number.

47914681541 is a deficient number, since it is larger than the sum of its proper divisors (1294991431).

47914681541 is a wasteful number, since it uses less digits than its factorization.

47914681541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294991430.

The product of its digits is 967680, while the sum is 50.

The spelling of 47914681541 in words is "forty-seven billion, nine hundred fourteen million, six hundred eighty-one thousand, five hundred forty-one".