47653281965 has 8 divisors (see below), whose sum is σ = 57189078648. Its totient is φ = 38119198720.

The previous prime is 47653281959. The next prime is 47653281983. The reversal of 47653281965 is 56918235674.

It can be written as a sum of positive squares in 4 ways, for example, as 1143183721 + 46510098244 = 33811^2 + 215662^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47653281965 - 2⁶ = 47653281901 is a prime.

It is a super-2 number, since 2×47653281965² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47653281965.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 366356 + ... + 479085.

It is an arithmetic number, because the mean of its divisors is an integer number (7148634831).

Almost surely, 2^47653281965 is an apocalyptic number.

It is an amenable number.

47653281965 is a deficient number, since it is larger than the sum of its proper divisors (9535796683).

47653281965 is a wasteful number, since it uses less digits than its factorization.

47653281965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856719.

The product of its digits is 10886400, while the sum is 56.

The spelling of 47653281965 in words is "forty-seven billion, six hundred fifty-three million, two hundred eighty-one thousand, nine hundred sixty-five".