2943402669 has 12 divisors (see below), whose sum is σ = 4355279292. Its totient is φ = 1914408000.

The previous prime is 2943402653. The next prime is 2943402691. The reversal of 2943402669 is 9662043492.

It can be written as a sum of positive squares in 2 ways, for example, as 196280100 + 2747122569 = 14010^2 + 52413^2 .

It is not a de Polignac number, because 2943402669 - 2⁴ = 2943402653 is a prime.

It is a super-2 number, since 2×2943402669² = 17327238543752647122, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2943402269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3987982 + ... + 3988719.

It is an arithmetic number, because the mean of its divisors is an integer number (362939941).

Almost surely, 2^2943402669 is an apocalyptic number.

It is an amenable number.

2943402669 is a deficient number, since it is larger than the sum of its proper divisors (1411876623).

2943402669 is a wasteful number, since it uses less digits than its factorization.

2943402669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7976748 (or 7976745 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The square root of 2943402669 is about 54253.1351075677. The cubic root of 2943402669 is about 1433.1222095325.

The spelling of 2943402669 in words is "two billion, nine hundred forty-three million, four hundred two thousand, six hundred sixty-nine".