3493142969 has 16 divisors (see below), whose sum is σ = 3669551424. Its totient is φ = 3321427200.

The previous prime is 3493142911. The next prime is 3493142999. The reversal of 3493142969 is 9692413943.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3493142969 is a prime.

It is a super-2 number, since 2×3493142969² = 24404095603748269922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3493142909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 916622 + ... + 920424.

It is an arithmetic number, because the mean of its divisors is an integer number (229346964).

Almost surely, 2^3493142969 is an apocalyptic number.

It is an amenable number.

3493142969 is a deficient number, since it is larger than the sum of its proper divisors (176408455).

3493142969 is a wasteful number, since it uses less digits than its factorization.

3493142969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4408.

The product of its digits is 1259712, while the sum is 50.

The square root of 3493142969 is about 59102.8169294831. The cubic root of 3493142969 is about 1517.3023146358.

The spelling of 3493142969 in words is "three billion, four hundred ninety-three million, one hundred forty-two thousand, nine hundred sixty-nine".