1982607743 has 2 divisors, whose sum is σ = 1982607744. Its totient is φ = 1982607742.

The previous prime is 1982607719. The next prime is 1982607761. The reversal of 1982607743 is 3477062891.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1982607743 - 2²² = 1978413439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1982607773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991303871 + 991303872.

It is an arithmetic number, because the mean of its divisors is an integer number (991303872).

Almost surely, 2^1982607743 is an apocalyptic number.

1982607743 is a deficient number, since it is larger than the sum of its proper divisors (1).

1982607743 is an equidigital number, since it uses as much as digits as its factorization.

1982607743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 1982607743 is about 44526.4836136877. The cubic root of 1982607743 is about 1256.2582668268.

The spelling of 1982607743 in words is "one billion, nine hundred eighty-two million, six hundred seven thousand, seven hundred forty-three".