1892542048464 has 80 divisors (see below), whose sum is σ = 4922222294912. Its totient is φ = 626572537344.

The previous prime is 1892542048459. The next prime is 1892542048489. The reversal of 1892542048464 is 4648402452981.

It is a congruent number.

It is an unprimeable number.

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, 18812442 + ... + 18912774.

Almost surely, 2^{1892542048464} is an apocalyptic number.

It is an amenable number.

1892542048464 is an abundant number, since it is smaller than the sum of its proper divisors (3029680246448).

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

1892542048464 is a wasteful number, since it uses less digits than its factorization.

1892542048464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103004 (or 102998 counting only the distinct ones).

The product of its (nonzero) digits is 17694720, while the sum is 57.

The spelling of 1892542048464 in words is "one trillion, eight hundred ninety-two billion, five hundred forty-two million, forty-eight thousand, four hundred sixty-four".