1927465139244 has 48 divisors (see below), whose sum is σ = 4636533420288. Its totient is φ = 622746894528.

The previous prime is 1927465139191. The next prime is 1927465139251. The reversal of 1927465139244 is 4429315647291.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

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, 8136342 + ... + 8369885.

It is an arithmetic number, because the mean of its divisors is an integer number (96594446256).

Almost surely, 2^{1927465139244} is an apocalyptic number.

It is an amenable number.

1927465139244 is an abundant number, since it is smaller than the sum of its proper divisors (2709068281044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1927465139244 is a wasteful number, since it uses less digits than its factorization.

1927465139244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16506534 (or 16506532 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 57.

The spelling of 1927465139244 in words is "one trillion, nine hundred twenty-seven billion, four hundred sixty-five million, one hundred thirty-nine thousand, two hundred forty-four".