1214647933 has 4 divisors (see below), whose sum is σ = 1214967520. Its totient is φ = 1214328348.

The previous prime is 1214647913. The next prime is 1214647957. The reversal of 1214647933 is 3397464121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1214647933 - 2¹⁷ = 1214516861 is a prime.

It is a super-2 number, since 2×1214647933² = 2950739202282344978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214647913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154023 + ... + 161716.

It is an arithmetic number, because the mean of its divisors is an integer number (303741880).

Almost surely, 2^1214647933 is an apocalyptic number.

It is an amenable number.

1214647933 is a deficient number, since it is larger than the sum of its proper divisors (319587).

1214647933 is an equidigital number, since it uses as much as digits as its factorization.

1214647933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319586.

The product of its digits is 108864, while the sum is 40.

The square root of 1214647933 is about 34851.7995661630. The cubic root of 1214647933 is about 1066.9649143322.

The spelling of 1214647933 in words is "one billion, two hundred fourteen million, six hundred forty-seven thousand, nine hundred thirty-three".