2691593091019 has 16 divisors (see below), whose sum is σ = 3105742404096. Its totient is φ = 2284865107200.

The previous prime is 2691593091017. The next prime is 2691593091043. The reversal of 2691593091019 is 9101903951962.

It is a cyclic number.

It is not a de Polignac number, because 2691593091019 - 2¹ = 2691593091017 is a prime.

It is a super-2 number, since 2×2691593091019² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2691593091017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2117979 + ... + 3141499.

It is an arithmetic number, because the mean of its divisors is an integer number (194108900256).

Almost surely, 2^{2691593091019} is an apocalyptic number.

2691593091019 is a deficient number, since it is larger than the sum of its proper divisors (414149313077).

2691593091019 is a wasteful number, since it uses less digits than its factorization.

2691593091019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027146.

The product of its (nonzero) digits is 1180980, while the sum is 55.

The spelling of 2691593091019 in words is "two trillion, six hundred ninety-one billion, five hundred ninety-three million, ninety-one thousand, nineteen".