19348800481 has 2 divisors, whose sum is σ = 19348800482. Its totient is φ = 19348800480.

The previous prime is 19348800473. The next prime is 19348800509. The reversal of 19348800481 is 18400884391.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19150131456 + 198669025 = 138384^2 + 14095^2 .

It is a cyclic number.

It is not a de Polignac number, because 19348800481 - 2³ = 19348800473 is a prime.

It is a super-2 number, since 2×19348800481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (19348800181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9674400240 + 9674400241.

It is an arithmetic number, because the mean of its divisors is an integer number (9674400241).

Almost surely, 2^19348800481 is an apocalyptic number.

It is an amenable number.

19348800481 is a deficient number, since it is larger than the sum of its proper divisors (1).

19348800481 is an equidigital number, since it uses as much as digits as its factorization.

19348800481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 46.

The spelling of 19348800481 in words is "nineteen billion, three hundred forty-eight million, eight hundred thousand, four hundred eighty-one".