2220440139829 has 2 divisors, whose sum is σ = 2220440139830. Its totient is φ = 2220440139828.

The previous prime is 2220440139751. The next prime is 2220440139851. The reversal of 2220440139829 is 9289310440222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1342349325604 + 878090814225 = 1158598^2 + 937065^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220440139829 - 2³³ = 2211850205237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220440131829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110220069914 + 1110220069915.

It is an arithmetic number, because the mean of its divisors is an integer number (1110220069915).

Almost surely, 2^{2220440139829} is an apocalyptic number.

It is an amenable number.

2220440139829 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220440139829 is an equidigital number, since it uses as much as digits as its factorization.

2220440139829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 2220440139829 in words is "two trillion, two hundred twenty billion, four hundred forty million, one hundred thirty-nine thousand, eight hundred twenty-nine".