47257651543 has 4 divisors (see below), whose sum is σ = 47259154008. Its totient is φ = 47256149080.

The previous prime is 47257651541. The next prime is 47257651583. The reversal of 47257651543 is 34515675274.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34515675274 = 2 ⋅17257837637.

It is a cyclic number.

It is not a de Polignac number, because 47257651543 - 2¹ = 47257651541 is a prime.

It is a super-2 number, since 2×47257651543² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47257651541) 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, 703021 + ... + 767302.

It is an arithmetic number, because the mean of its divisors is an integer number (11814788502).

Almost surely, 2^47257651543 is an apocalyptic number.

47257651543 is a deficient number, since it is larger than the sum of its proper divisors (1502465).

47257651543 is a wasteful number, since it uses less digits than its factorization.

47257651543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502464.

The product of its digits is 3528000, while the sum is 49.

The spelling of 47257651543 in words is "forty-seven billion, two hundred fifty-seven million, six hundred fifty-one thousand, five hundred forty-three".