2090636781537 has 16 divisors (see below), whose sum is σ = 2790871742592. Its totient is φ = 1392080081280.

The previous prime is 2090636781509. The next prime is 2090636781559. The reversal of 2090636781537 is 7351876360902.

It is not a de Polignac number, because 2090636781537 - 2⁶ = 2090636781473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2090636701537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51169237 + ... + 51210077.

It is an arithmetic number, because the mean of its divisors is an integer number (174429483912).

Almost surely, 2^{2090636781537} is an apocalyptic number.

It is an amenable number.

2090636781537 is a deficient number, since it is larger than the sum of its proper divisors (700234961055).

2090636781537 is a wasteful number, since it uses less digits than its factorization.

2090636781537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60968.

The product of its (nonzero) digits is 11430720, while the sum is 57.

The spelling of 2090636781537 in words is "two trillion, ninety billion, six hundred thirty-six million, seven hundred eighty-one thousand, five hundred thirty-seven".