349865465069 has 2 divisors, whose sum is σ = 349865465070. Its totient is φ = 349865465068.

The previous prime is 349865465063. The next prime is 349865465087. The reversal of 349865465069 is 960564568943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 339204902569 + 10660562500 = 582413^2 + 103250^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349865465069 is a prime.

It is a super-2 number, since 2×349865465069² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 349865464996 and 349865465014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349865465063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174932732534 + 174932732535.

It is an arithmetic number, because the mean of its divisors is an integer number (174932732535).

Almost surely, 2^349865465069 is an apocalyptic number.

It is an amenable number.

349865465069 is a deficient number, since it is larger than the sum of its proper divisors (1).

349865465069 is an equidigital number, since it uses as much as digits as its factorization.

349865465069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 167961600, while the sum is 65.

It can be divided in two parts, 34986 and 5465069, that added together give a palindrome (5500055).

The spelling of 349865465069 in words is "three hundred forty-nine billion, eight hundred sixty-five million, four hundred sixty-five thousand, sixty-nine".