2920542783049 has 8 divisors (see below), whose sum is σ = 3100629878280. Its totient is φ = 2741376850176.

The previous prime is 2920542782987. The next prime is 2920542783071. The reversal of 2920542783049 is 9403872450292.

It can be written as a sum of positive squares in 4 ways, for example, as 227021755024 + 2693521028025 = 476468^2 + 1641195^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2920542783049 - 2⁹ = 2920542782537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2920542783449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230284054 + ... + 230296735.

It is an arithmetic number, because the mean of its divisors is an integer number (387578734785).

Almost surely, 2^{2920542783049} is an apocalyptic number.

It is an amenable number.

2920542783049 is a deficient number, since it is larger than the sum of its proper divisors (180087095231).

2920542783049 is a wasteful number, since it uses less digits than its factorization.

2920542783049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460581179.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 2920542783049 in words is "two trillion, nine hundred twenty billion, five hundred forty-two million, seven hundred eighty-three thousand, forty-nine".