47355042545 has 4 divisors (see below), whose sum is σ = 56826051060. Its totient is φ = 37884034032.

The previous prime is 47355042533. The next prime is 47355042569. The reversal of 47355042545 is 54524055374.

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 8514121984 + 38840920561 = 92272^2 + 197081^2 .

It is a cyclic number.

It is not a de Polignac number, because 47355042545 - 2¹⁰ = 47355041521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47355042496 and 47355042505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4735504250 + ... + 4735504259.

It is an arithmetic number, because the mean of its divisors is an integer number (14206512765).

Almost surely, 2^47355042545 is an apocalyptic number.

It is an amenable number.

47355042545 is a deficient number, since it is larger than the sum of its proper divisors (9471008515).

47355042545 is an equidigital number, since it uses as much as digits as its factorization.

47355042545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9471008514.

The product of its (nonzero) digits is 1680000, while the sum is 44.

The spelling of 47355042545 in words is "forty-seven billion, three hundred fifty-five million, forty-two thousand, five hundred forty-five".