1966714487 has 2 divisors, whose sum is σ = 1966714488. Its totient is φ = 1966714486.

The previous prime is 1966714471. The next prime is 1966714501. The reversal of 1966714487 is 7844176691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1966714487 - 2⁴ = 1966714471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1966714417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 983357243 + 983357244.

It is an arithmetic number, because the mean of its divisors is an integer number (983357244).

Almost surely, 2^1966714487 is an apocalyptic number.

1966714487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1966714487 is an equidigital number, since it uses as much as digits as its factorization.

1966714487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 53.

The square root of 1966714487 is about 44347.6548083436. The cubic root of 1966714487 is about 1252.8923926497.

The spelling of 1966714487 in words is "one billion, nine hundred sixty-six million, seven hundred fourteen thousand, four hundred eighty-seven".