1982472719 has 2 divisors, whose sum is σ = 1982472720. Its totient is φ = 1982472718.

The previous prime is 1982472641. The next prime is 1982472757. The reversal of 1982472719 is 9172742891.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1982472719 - 2⁸ = 1982472463 is a prime.

It is a super-2 number, since 2×1982472719² = 7860396163158505922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1982472769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991236359 + 991236360.

It is an arithmetic number, because the mean of its divisors is an integer number (991236360).

Almost surely, 2^1982472719 is an apocalyptic number.

1982472719 is a deficient number, since it is larger than the sum of its proper divisors (1).

1982472719 is an equidigital number, since it uses as much as digits as its factorization.

1982472719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 50.

The square root of 1982472719 is about 44524.9673666360. The cubic root of 1982472719 is about 1256.2297473398.

The spelling of 1982472719 in words is "one billion, nine hundred eighty-two million, four hundred seventy-two thousand, seven hundred nineteen".