2691934505877 has 16 divisors (see below), whose sum is σ = 3852438105600. Its totient is φ = 1665919176192.

The previous prime is 2691934505861. The next prime is 2691934505927. The reversal of 2691934505877 is 7785054391962.

It is a happy number.

It is not a de Polignac number, because 2691934505877 - 2⁴ = 2691934505861 is a prime.

It is a super-2 number, since 2×2691934505877² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2691934505857) 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, 361523877 + ... + 361531322.

It is an arithmetic number, because the mean of its divisors is an integer number (240777381600).

It is a 1-persistent number, because it is pandigital, but 2⋅2691934505877 = 5383869011754 is not.

Almost surely, 2^{2691934505877} is an apocalyptic number.

It is an amenable number.

2691934505877 is a deficient number, since it is larger than the sum of its proper divisors (1160503599723).

2691934505877 is a wasteful number, since it uses less digits than its factorization.

2691934505877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723055292.

The product of its (nonzero) digits is 114307200, while the sum is 66.

The spelling of 2691934505877 in words is "two trillion, six hundred ninety-one billion, nine hundred thirty-four million, five hundred five thousand, eight hundred seventy-seven".