4748921809637 has 2 divisors, whose sum is σ = 4748921809638. Its totient is φ = 4748921809636.

The previous prime is 4748921809613. The next prime is 4748921809669. The reversal of 4748921809637 is 7369081298474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3722619089281 + 1026302720356 = 1929409^2 + 1013066^2 .

It is a cyclic number.

It is not a de Polignac number, because 4748921809637 - 2⁶ = 4748921809573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4748921809537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2374460904818 + 2374460904819.

It is an arithmetic number, because the mean of its divisors is an integer number (2374460904819).

Almost surely, 2^{4748921809637} is an apocalyptic number.

It is an amenable number.

4748921809637 is a deficient number, since it is larger than the sum of its proper divisors (1).

4748921809637 is an equidigital number, since it uses as much as digits as its factorization.

4748921809637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 146313216, while the sum is 68.

The spelling of 4748921809637 in words is "four trillion, seven hundred forty-eight billion, nine hundred twenty-one million, eight hundred nine thousand, six hundred thirty-seven".