1992249026901 has 24 divisors (see below), whose sum is σ = 3337878499904. Its totient is φ = 1121436550080.

The previous prime is 1992249026899. The next prime is 1992249026941. The reversal of 1992249026901 is 1096209422991.

1992249026901 is a `hidden beast` number, since 1 + 9 + 92 + 2 + 490 + 2 + 69 + 0 + 1 = 666.

It is not a de Polignac number, because 1992249026901 - 2¹ = 1992249026899 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 (1992249026941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 235988320 + ... + 235996761.

Almost surely, 2^{1992249026901} is an apocalyptic number.

It is an amenable number.

1992249026901 is a deficient number, since it is larger than the sum of its proper divisors (1345629473003).

1992249026901 is a wasteful number, since it uses less digits than its factorization.

1992249026901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471985161 (or 471985158 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The spelling of 1992249026901 in words is "one trillion, nine hundred ninety-two billion, two hundred forty-nine million, twenty-six thousand, nine hundred one".