1959919935049 has 8 divisors (see below), whose sum is σ = 1962965458440. Its totient is φ = 1956874656000.

The previous prime is 1959919935023. The next prime is 1959919935059. The reversal of 1959919935049 is 9405399199591.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1175853959424 + 784065975625 = 1084368^2 + 885475^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1959919935049 - 2²⁷ = 1959785717321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1959919935059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22303899 + ... + 22391599.

It is an arithmetic number, because the mean of its divisors is an integer number (245370682305).

Almost surely, 2^{1959919935049} is an apocalyptic number.

It is an amenable number.

1959919935049 is a deficient number, since it is larger than the sum of its proper divisors (3045523391).

1959919935049 is an equidigital number, since it uses as much as digits as its factorization.

1959919935049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122171.

The product of its (nonzero) digits is 159432300, while the sum is 73.

The spelling of 1959919935049 in words is "one trillion, nine hundred fifty-nine billion, nine hundred nineteen million, nine hundred thirty-five thousand, forty-nine".