2719290796661 has 4 divisors (see below), whose sum is σ = 2723600291424. Its totient is φ = 2714981301900.

The previous prime is 2719290796657. The next prime is 2719290796699. The reversal of 2719290796661 is 1666970929172.

2719290796661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2719290796661 - 2² = 2719290796657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2719290796961) 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, 2154746435 + ... + 2154747696.

It is an arithmetic number, because the mean of its divisors is an integer number (680900072856).

Almost surely, 2^{2719290796661} is an apocalyptic number.

It is an amenable number.

2719290796661 is a deficient number, since it is larger than the sum of its proper divisors (4309494763).

2719290796661 is an equidigital number, since it uses as much as digits as its factorization.

2719290796661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4309494762.

The product of its (nonzero) digits is 30862944, while the sum is 65.

The spelling of 2719290796661 in words is "two trillion, seven hundred nineteen billion, two hundred ninety million, seven hundred ninety-six thousand, six hundred sixty-one".