47238755346455 has 4 divisors (see below), whose sum is σ = 56686506415752. Its totient is φ = 37791004277160.

The previous prime is 47238755346451. The next prime is 47238755346463. The reversal of 47238755346455 is 55464355783274.

It is a happy number.

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

It is not a de Polignac number, because 47238755346455 - 2² = 47238755346451 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 (47238755346451) 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, 4723875534641 + ... + 4723875534650.

It is an arithmetic number, because the mean of its divisors is an integer number (14171626603938).

Almost surely, 2^{47238755346455} is an apocalyptic number.

47238755346455 is a deficient number, since it is larger than the sum of its proper divisors (9447751069297).

47238755346455 is an equidigital number, since it uses as much as digits as its factorization.

47238755346455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9447751069296.

The product of its digits is 1693440000, while the sum is 68.

The spelling of 47238755346455 in words is "forty-seven trillion, two hundred thirty-eight billion, seven hundred fifty-five million, three hundred forty-six thousand, four hundred fifty-five".