1983958401813 has 32 divisors (see below), whose sum is σ = 2753517871104. Its totient is φ = 1269264600000.

The previous prime is 1983958401811. The next prime is 1983958401857. The reversal of 1983958401813 is 3181048593891.

It is not a de Polignac number, because 1983958401813 - 2¹ = 1983958401811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1983958401811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7894843 + ... + 8142263.

It is an arithmetic number, because the mean of its divisors is an integer number (86047433472).

Almost surely, 2^{1983958401813} is an apocalyptic number.

It is an amenable number.

1983958401813 is a deficient number, since it is larger than the sum of its proper divisors (769559469291).

1983958401813 is a wasteful number, since it uses less digits than its factorization.

1983958401813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248177.

The product of its (nonzero) digits is 7464960, while the sum is 60.

The spelling of 1983958401813 in words is "one trillion, nine hundred eighty-three billion, nine hundred fifty-eight million, four hundred one thousand, eight hundred thirteen".