349861822153 has 2 divisors, whose sum is σ = 349861822154. Its totient is φ = 349861822152.

The previous prime is 349861822091. The next prime is 349861822159. The reversal of 349861822153 is 351228168943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 324275580304 + 25586241849 = 569452^2 + 159957^2 .

It is a cyclic number.

It is not a de Polignac number, because 349861822153 - 2⁹ = 349861821641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 349861822153.

It is not a weakly prime, because it can be changed into another prime (349861822159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174930911076 + 174930911077.

It is an arithmetic number, because the mean of its divisors is an integer number (174930911077).

Almost surely, 2^349861822153 is an apocalyptic number.

It is an amenable number.

349861822153 is a deficient number, since it is larger than the sum of its proper divisors (1).

349861822153 is an equidigital number, since it uses as much as digits as its factorization.

349861822153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2488320, while the sum is 52.

The spelling of 349861822153 in words is "three hundred forty-nine billion, eight hundred sixty-one million, eight hundred twenty-two thousand, one hundred fifty-three".