2992820420529 has 9 divisors (see below), whose sum is σ = 4322970326233. Its totient is φ = 1995210153732.

The previous prime is 2992820420461. The next prime is 2992820420591. The reversal of 2992820420529 is 9250240282992.

It is a happy number.

The square root of 2992820420529 is 1729977.

It is a perfect power (a square), and thus also a powerful number.

2992820420529 is a `hidden beast` number, since 2 + 9 + 92 + 8 + 2 + 0 + 4 + 20 + 529 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is a de Polignac number, because none of the positive numbers 2^k-2992820420529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2992820420929) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4901602 + ... + 5478260.

Almost surely, 2^{2992820420529} is an apocalyptic number.

2992820420529 is the 1729977-th square number.

2992820420529 is the 864989-th centered octagonal number.

It is an amenable number.

2992820420529 is a deficient number, since it is larger than the sum of its proper divisors (1330149905704).

2992820420529 is an frugal number, since it uses more digits than its factorization.

2992820420529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153324 (or 576662 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 2992820420529 in words is "two trillion, nine hundred ninety-two billion, eight hundred twenty million, four hundred twenty thousand, five hundred twenty-nine".