1958003578342 has 32 divisors (see below), whose sum is σ = 3363494948352. Its totient is φ = 837416071104.

The previous prime is 1958003578327. The next prime is 1958003578387. The reversal of 1958003578342 is 2438753008591.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23815818 + ... + 23897890.

It is an arithmetic number, because the mean of its divisors is an integer number (105109217136).

Almost surely, 2^{1958003578342} is an apocalyptic number.

1958003578342 is a deficient number, since it is larger than the sum of its proper divisors (1405491370010).

1958003578342 is a wasteful number, since it uses less digits than its factorization.

1958003578342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85572.

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 1958003578342 in words is "one trillion, nine hundred fifty-eight billion, three million, five hundred seventy-eight thousand, three hundred forty-two".