1986364001 has 2 divisors, whose sum is σ = 1986364002. Its totient is φ = 1986364000.

The previous prime is 1986363983. The next prime is 1986364013. The reversal of 1986364001 is 1004636891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1583960401 + 402403600 = 39799^2 + 20060^2 .

It is a cyclic number.

It is not a de Polignac number, because 1986364001 - 2³⁰ = 912622177 is a prime.

It is not a weakly prime, because it can be changed into another prime (1986364021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 993182000 + 993182001.

It is an arithmetic number, because the mean of its divisors is an integer number (993182001).

Almost surely, 2^1986364001 is an apocalyptic number.

It is an amenable number.

1986364001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1986364001 is an equidigital number, since it uses as much as digits as its factorization.

1986364001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 1986364001 is about 44568.6436971106. The cubic root of 1986364001 is about 1257.0511372619.

The spelling of 1986364001 in words is "one billion, nine hundred eighty-six million, three hundred sixty-four thousand, one".