47261425217 has 4 divisors (see below), whose sum is σ = 47534612820. Its totient is φ = 46988237616.

The previous prime is 47261425199. The next prime is 47261425223. The reversal of 47261425217 is 71252416274.

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 41420797441 + 5840627776 = 203521^2 + 76424^2 .

It is a cyclic number.

It is not a de Polignac number, because 47261425217 - 2⁶ = 47261425153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47261425117) 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, 136593542 + ... + 136593887.

It is an arithmetic number, because the mean of its divisors is an integer number (11883653205).

Almost surely, 2^47261425217 is an apocalyptic number.

It is an amenable number.

47261425217 is a deficient number, since it is larger than the sum of its proper divisors (273187603).

47261425217 is a wasteful number, since it uses less digits than its factorization.

47261425217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273187602.

The product of its digits is 188160, while the sum is 41.

The spelling of 47261425217 in words is "forty-seven billion, two hundred sixty-one million, four hundred twenty-five thousand, two hundred seventeen".