2691345476904 has 96 divisors (see below), whose sum is σ = 7859621289600. Its totient is φ = 765738382080.

The previous prime is 2691345476903. The next prime is 2691345476977. The reversal of 2691345476904 is 4096745431962.

It is not an unprimeable number, because it can be changed into a prime (2691345476903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4506717 + ... + 5068844.

It is an arithmetic number, because the mean of its divisors is an integer number (81871055100).

Almost surely, 2^{2691345476904} is an apocalyptic number.

2691345476904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2691345476904 is an abundant number, since it is smaller than the sum of its proper divisors (5168275812696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2691345476904 is a wasteful number, since it uses less digits than its factorization.

2691345476904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9575823 (or 9575812 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 60.

The spelling of 2691345476904 in words is "two trillion, six hundred ninety-one billion, three hundred forty-five million, four hundred seventy-six thousand, nine hundred four".