2091214550587 has 2 divisors, whose sum is σ = 2091214550588. Its totient is φ = 2091214550586.

The previous prime is 2091214550543. The next prime is 2091214550599. The reversal of 2091214550587 is 7850554121902.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2091214550587 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2091214550587.

It is not a weakly prime, because it can be changed into another prime (2091214554587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045607275293 + 1045607275294.

It is an arithmetic number, because the mean of its divisors is an integer number (1045607275294).

Almost surely, 2^{2091214550587} is an apocalyptic number.

2091214550587 is a deficient number, since it is larger than the sum of its proper divisors (1).

2091214550587 is an equidigital number, since it uses as much as digits as its factorization.

2091214550587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008000, while the sum is 49.

The spelling of 2091214550587 in words is "two trillion, ninety-one billion, two hundred fourteen million, five hundred fifty thousand, five hundred eighty-seven".