47382551861 has 16 divisors (see below), whose sum is σ = 52998312960. Its totient is φ = 42097789440.

The previous prime is 47382551849. The next prime is 47382551863. The reversal of 47382551861 is 16815528374.

It is a cyclic number.

It is not a de Polignac number, because 47382551861 - 2¹⁰ = 47382550837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47382551863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170261 + ... + 351786.

It is an arithmetic number, because the mean of its divisors is an integer number (3312394560).

Almost surely, 2^47382551861 is an apocalyptic number.

It is an amenable number.

47382551861 is a deficient number, since it is larger than the sum of its proper divisors (5615761099).

47382551861 is a wasteful number, since it uses less digits than its factorization.

47382551861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522364.

The product of its digits is 1612800, while the sum is 50.

The spelling of 47382551861 in words is "forty-seven billion, three hundred eighty-two million, five hundred fifty-one thousand, eight hundred sixty-one".