47051756453 has 4 divisors (see below), whose sum is σ = 50671122348. Its totient is φ = 43432390560.

The previous prime is 47051756419. The next prime is 47051756459. The reversal of 47051756453 is 35465715074.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35465715074 = 2 ⋅17732857537.

It can be written as a sum of positive squares in 2 ways, for example, as 11393854564 + 35657901889 = 106742^2 + 188833^2 .

It is not a de Polignac number, because 47051756453 - 2³⁰ = 45978014629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47051756398 and 47051756407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47051756459) by changing a digit.

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, 1809682928 + ... + 1809682953.

It is an arithmetic number, because the mean of its divisors is an integer number (12667780587).

Almost surely, 2^47051756453 is an apocalyptic number.

It is an amenable number.

47051756453 is a deficient number, since it is larger than the sum of its proper divisors (3619365895).

47051756453 is a wasteful number, since it uses less digits than its factorization.

47051756453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3619365894.

The product of its (nonzero) digits is 1764000, while the sum is 47.

The spelling of 47051756453 in words is "forty-seven billion, fifty-one million, seven hundred fifty-six thousand, four hundred fifty-three".