1931452043 has 2 divisors, whose sum is σ = 1931452044. Its totient is φ = 1931452042.

The previous prime is 1931452013. The next prime is 1931452109. The reversal of 1931452043 is 3402541391.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1931452043 - 2²⁰ = 1930403467 is a prime.

It is not a weakly prime, because it can be changed into another prime (1931452013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 965726021 + 965726022.

It is an arithmetic number, because the mean of its divisors is an integer number (965726022).

Almost surely, 2^1931452043 is an apocalyptic number.

1931452043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1931452043 is an equidigital number, since it uses as much as digits as its factorization.

1931452043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1931452043 is about 43948.2882829354. The cubic root of 1931452043 is about 1245.3592277484.

The spelling of 1931452043 in words is "one billion, nine hundred thirty-one million, four hundred fifty-two thousand, forty-three".