1927987790363 has 2 divisors, whose sum is σ = 1927987790364. Its totient is φ = 1927987790362.

The previous prime is 1927987790303. The next prime is 1927987790401. The reversal of 1927987790363 is 3630977897291.

It is a strong prime.

It is an emirp because it is prime and its reverse (3630977897291) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1927987790363 - 2²⁴ = 1927971013147 is a prime.

It is not a weakly prime, because it can be changed into another prime (1927987790303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 963993895181 + 963993895182.

It is an arithmetic number, because the mean of its divisors is an integer number (963993895182).

Almost surely, 2^{1927987790363} is an apocalyptic number.

1927987790363 is a deficient number, since it is larger than the sum of its proper divisors (1).

1927987790363 is an equidigital number, since it uses as much as digits as its factorization.

1927987790363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216040608, while the sum is 71.

The spelling of 1927987790363 in words is "one trillion, nine hundred twenty-seven billion, nine hundred eighty-seven million, seven hundred ninety thousand, three hundred sixty-three".