1945033043 has 2 divisors, whose sum is σ = 1945033044. Its totient is φ = 1945033042.

The previous prime is 1945032959. The next prime is 1945033049. The reversal of 1945033043 is 3403305491.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1945033043 - 2¹² = 1945028947 is a prime.

It is not a weakly prime, because it can be changed into another prime (1945033049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 972516521 + 972516522.

It is an arithmetic number, because the mean of its divisors is an integer number (972516522).

Almost surely, 2^1945033043 is an apocalyptic number.

1945033043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1945033043 is an equidigital number, since it uses as much as digits as its factorization.

1945033043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 1945033043 is about 44102.5287596981. The cubic root of 1945033043 is about 1248.2713262918.

The spelling of 1945033043 in words is "one billion, nine hundred forty-five million, thirty-three thousand, forty-three".