47236446724457 has 4 divisors (see below), whose sum is σ = 47265302221956. Its totient is φ = 47207591226960.

The previous prime is 47236446724427. The next prime is 47236446724517. The reversal of 47236446724457 is 75442764463274.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12590085159001 + 34646361565456 = 3548251^2 + 5886116^2 .

It is a cyclic number.

It is not a de Polignac number, because 47236446724457 - 2¹² = 47236446720361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47236446724393 and 47236446724402.

It is not an unprimeable number, because it can be changed into a prime (47236446724427) 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, 14427746294 + ... + 14427749567.

It is an arithmetic number, because the mean of its divisors is an integer number (11816325555489).

Almost surely, 2^{47236446724457} is an apocalyptic number.

It is an amenable number.

47236446724457 is a deficient number, since it is larger than the sum of its proper divisors (28855497499).

47236446724457 is a wasteful number, since it uses less digits than its factorization.

47236446724457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28855497498.

The product of its digits is 758661120, while the sum is 65.

The spelling of 47236446724457 in words is "forty-seven trillion, two hundred thirty-six billion, four hundred forty-six million, seven hundred twenty-four thousand, four hundred fifty-seven".