1984872959 has 2 divisors, whose sum is σ = 1984872960. Its totient is φ = 1984872958.

The previous prime is 1984872941. The next prime is 1984872997. The reversal of 1984872959 is 9592784891.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1984872959 - 2²⁰ = 1983824383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1984872919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 992436479 + 992436480.

It is an arithmetic number, because the mean of its divisors is an integer number (992436480).

Almost surely, 2^1984872959 is an apocalyptic number.

1984872959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1984872959 is an equidigital number, since it uses as much as digits as its factorization.

1984872959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13063680, while the sum is 62.

The square root of 1984872959 is about 44551.9130790138. The cubic root of 1984872959 is about 1256.7365280539.

The spelling of 1984872959 in words is "one billion, nine hundred eighty-four million, eight hundred seventy-two thousand, nine hundred fifty-nine".