219748627141 has 2 divisors, whose sum is σ = 219748627142. Its totient is φ = 219748627140.

The previous prime is 219748627129. The next prime is 219748627157. The reversal of 219748627141 is 141726847912.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208913899041 + 10834728100 = 457071^2 + 104090^2 .

It is a cyclic number.

It is not a de Polignac number, because 219748627141 - 2¹³ = 219748618949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (219748622141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109874313570 + 109874313571.

It is an arithmetic number, because the mean of its divisors is an integer number (109874313571).

Almost surely, 2^219748627141 is an apocalyptic number.

It is an amenable number.

219748627141 is a deficient number, since it is larger than the sum of its proper divisors (1).

219748627141 is an equidigital number, since it uses as much as digits as its factorization.

219748627141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1354752, while the sum is 52.

The spelling of 219748627141 in words is "two hundred nineteen billion, seven hundred forty-eight million, six hundred twenty-seven thousand, one hundred forty-one".