3490212069 has 12 divisors (see below), whose sum is σ = 5044905996. Its totient is φ = 2325197952.

The previous prime is 3490212067. The next prime is 3490212071. The reversal of 3490212069 is 9602120943.

It is an interprime number because it is at equal distance from previous prime (3490212067) and next prime (3490212071).

It can be written as a sum of positive squares in 2 ways, for example, as 3314304900 + 175907169 = 57570^2 + 13263^2 .

It is not a de Polignac number, because 3490212069 - 2¹ = 3490212067 is a prime.

It is a super-2 number, since 2×3490212069² = 24363160573186521522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3490212067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120372 + ... + 146525.

It is an arithmetic number, because the mean of its divisors is an integer number (420408833).

Almost surely, 2^3490212069 is an apocalyptic number.

It is an amenable number.

3490212069 is a deficient number, since it is larger than the sum of its proper divisors (1554693927).

3490212069 is a wasteful number, since it uses less digits than its factorization.

3490212069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268356 (or 268353 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 3490212069 is about 59078.0167998216. The cubic root of 3490212069 is about 1516.8778348542.

It can be divided in two parts, 34902 and 12069, that added together give a triangular number (46971 = T₃₀₆).

The spelling of 3490212069 in words is "three billion, four hundred ninety million, two hundred twelve thousand, sixty-nine".