1087373437849 has 2 divisors, whose sum is σ = 1087373437850. Its totient is φ = 1087373437848.

The previous prime is 1087373437789. The next prime is 1087373437861. The reversal of 1087373437849 is 9487343737801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 566659661824 + 520713776025 = 752768^2 + 721605^2 .

It is a cyclic number.

It is not a de Polignac number, because 1087373437849 - 2²⁷ = 1087239220121 is a prime.

It is not a weakly prime, because it can be changed into another prime (1087373437889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543686718924 + 543686718925.

It is an arithmetic number, because the mean of its divisors is an integer number (543686718925).

Almost surely, 2^{1087373437849} is an apocalyptic number.

It is an amenable number.

1087373437849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087373437849 is an equidigital number, since it uses as much as digits as its factorization.

1087373437849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85349376, while the sum is 64.

The spelling of 1087373437849 in words is "one trillion, eighty-seven billion, three hundred seventy-three million, four hundred thirty-seven thousand, eight hundred forty-nine".