1930582486639 has 2 divisors, whose sum is σ = 1930582486640. Its totient is φ = 1930582486638.

The previous prime is 1930582486531. The next prime is 1930582486649. The reversal of 1930582486639 is 9366842850391.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1930582486639 is a prime.

It is a super-2 number, since 2×1930582486639² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1930582486649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 965291243319 + 965291243320.

It is an arithmetic number, because the mean of its divisors is an integer number (965291243320).

Almost surely, 2^{1930582486639} is an apocalyptic number.

1930582486639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1930582486639 is an equidigital number, since it uses as much as digits as its factorization.

1930582486639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67184640, while the sum is 64.

The spelling of 1930582486639 in words is "one trillion, nine hundred thirty billion, five hundred eighty-two million, four hundred eighty-six thousand, six hundred thirty-nine".