2090042740523 has 16 divisors (see below), whose sum is σ = 2343668981760. Its totient is φ = 1853489801856.

The previous prime is 2090042740501. The next prime is 2090042740549. The reversal of 2090042740523 is 3250472400902.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2090042740523 - 2¹² = 2090042736427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2090042740553) by changing a digit.

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, 39864683 + ... + 39917076.

It is an arithmetic number, because the mean of its divisors is an integer number (146479311360).

Almost surely, 2^{2090042740523} is an apocalyptic number.

2090042740523 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2090042740523 is a deficient number, since it is larger than the sum of its proper divisors (253626241237).

2090042740523 is a wasteful number, since it uses less digits than its factorization.

2090042740523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79781866.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 2090042740523 in words is "two trillion, ninety billion, forty-two million, seven hundred forty thousand, five hundred twenty-three".