1944102047 has 2 divisors, whose sum is σ = 1944102048. Its totient is φ = 1944102046.

The previous prime is 1944102023. The next prime is 1944102053. The reversal of 1944102047 is 7402014491.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1944102047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1944102067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 972051023 + 972051024.

It is an arithmetic number, because the mean of its divisors is an integer number (972051024).

Almost surely, 2^1944102047 is an apocalyptic number.

1944102047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1944102047 is an equidigital number, since it uses as much as digits as its factorization.

1944102047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 1944102047 is about 44091.9725913913. The cubic root of 1944102047 is about 1248.0721315472.

The spelling of 1944102047 in words is "one billion, nine hundred forty-four million, one hundred two thousand, forty-seven".