349034388881 has 2 divisors, whose sum is σ = 349034388882. Its totient is φ = 349034388880.

The previous prime is 349034388839. The next prime is 349034388953. The reversal of 349034388881 is 188883430943.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 301712912656 + 47321476225 = 549284^2 + 217535^2 .

It is a cyclic number.

It is not a de Polignac number, because 349034388881 - 2⁶ = 349034388817 is a prime.

It is a super-2 number, since 2×349034388881² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 349034388881.

It is not a weakly prime, because it can be changed into another prime (349034388811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174517194440 + 174517194441.

It is an arithmetic number, because the mean of its divisors is an integer number (174517194441).

Almost surely, 2^349034388881 is an apocalyptic number.

It is an amenable number.

349034388881 is a deficient number, since it is larger than the sum of its proper divisors (1).

349034388881 is an equidigital number, since it uses as much as digits as its factorization.

349034388881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15925248, while the sum is 59.

The spelling of 349034388881 in words is "three hundred forty-nine billion, thirty-four million, three hundred eighty-eight thousand, eight hundred eighty-one".