1958282780045 has 16 divisors (see below), whose sum is σ = 2353130015040. Its totient is φ = 1564499992704.

The previous prime is 1958282780033. The next prime is 1958282780071. The reversal of 1958282780045 is 5400872828591.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1958282780045 - 2¹⁸ = 1958282517901 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18418046 + ... + 18524064.

It is an arithmetic number, because the mean of its divisors is an integer number (147070625940).

Almost surely, 2^{1958282780045} is an apocalyptic number.

It is an amenable number.

1958282780045 is a deficient number, since it is larger than the sum of its proper divisors (394847234995).

1958282780045 is a wasteful number, since it uses less digits than its factorization.

1958282780045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111004.

The product of its (nonzero) digits is 12902400, while the sum is 59.

The spelling of 1958282780045 in words is "one trillion, nine hundred fifty-eight billion, two hundred eighty-two million, seven hundred eighty thousand, forty-five".