1939800854413 has 16 divisors (see below), whose sum is σ = 1989558547200. Its totient is φ = 1890561568896.

The previous prime is 1939800854393. The next prime is 1939800854437. The reversal of 1939800854413 is 3144580089391.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1939800854413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1939800854213) 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 15 ways as a sum of consecutive naturals, for example, 6358456 + ... + 6656542.

It is an arithmetic number, because the mean of its divisors is an integer number (124347409200).

Almost surely, 2^{1939800854413} is an apocalyptic number.

It is an amenable number.

1939800854413 is a deficient number, since it is larger than the sum of its proper divisors (49757692787).

1939800854413 is a wasteful number, since it uses less digits than its factorization.

1939800854413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298956.

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 1939800854413 in words is "one trillion, nine hundred thirty-nine billion, eight hundred million, eight hundred fifty-four thousand, four hundred thirteen".