1642233347 has 2 divisors, whose sum is σ = 1642233348. Its totient is φ = 1642233346.

The previous prime is 1642233287. The next prime is 1642233353. The reversal of 1642233347 is 7433322461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1642233347 - 2⁶ = 1642233283 is a prime.

It is not a weakly prime, because it can be changed into another prime (1642235347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 821116673 + 821116674.

It is an arithmetic number, because the mean of its divisors is an integer number (821116674).

Almost surely, 2^1642233347 is an apocalyptic number.

1642233347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1642233347 is an equidigital number, since it uses as much as digits as its factorization.

1642233347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 35.

The square root of 1642233347 is about 40524.4783680185. The cubic root of 1642233347 is about 1179.8087756298.

The spelling of 1642233347 in words is "one billion, six hundred forty-two million, two hundred thirty-three thousand, three hundred forty-seven".