47384951461 has 4 divisors (see below), whose sum is σ = 47388825900. Its totient is φ = 47381077024.

The previous prime is 47384951401. The next prime is 47384951473. The reversal of 47384951461 is 16415948374.

47384951461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 30896850625 + 16488100836 = 175775^2 + 128406^2 .

It is a cyclic number.

It is not a de Polignac number, because 47384951461 - 2¹⁷ = 47384820389 is a prime.

It is a super-2 number, since 2×47384951461² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47384951399 and 47384951408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47384951401) 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, 1918816 + ... + 1943353.

It is an arithmetic number, because the mean of its divisors is an integer number (11847206475).

Almost surely, 2^47384951461 is an apocalyptic number.

It is an amenable number.

47384951461 is a deficient number, since it is larger than the sum of its proper divisors (3874439).

47384951461 is a wasteful number, since it uses less digits than its factorization.

47384951461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3874438.

The product of its digits is 2903040, while the sum is 52.

The spelling of 47384951461 in words is "forty-seven billion, three hundred eighty-four million, nine hundred fifty-one thousand, four hundred sixty-one".