1940582786633 has 4 divisors (see below), whose sum is σ = 1940586003408. Its totient is φ = 1940579569860.

The previous prime is 1940582786581. The next prime is 1940582786677. The reversal of 1940582786633 is 3366872850491.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1940582786633 - 2¹⁶ = 1940582721097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1940582786833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401723 + ... + 2010608.

It is an arithmetic number, because the mean of its divisors is an integer number (485146500852).

It is a 1-persistent number, because it is pandigital, but 2⋅1940582786633 = 3881165573266 is not.

Almost surely, 2^{1940582786633} is an apocalyptic number.

It is an amenable number.

1940582786633 is a deficient number, since it is larger than the sum of its proper divisors (3216775).

1940582786633 is an equidigital number, since it uses as much as digits as its factorization.

1940582786633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216774.

The product of its (nonzero) digits is 52254720, while the sum is 62.

The spelling of 1940582786633 in words is "one trillion, nine hundred forty billion, five hundred eighty-two million, seven hundred eighty-six thousand, six hundred thirty-three".