2770326393661 has 4 divisors (see below), whose sum is σ = 2770331532192. Its totient is φ = 2770321255132.

The previous prime is 2770326393631. The next prime is 2770326393721. The reversal of 2770326393661 is 1663936230772.

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 2770326393661 - 2⁵ = 2770326393629 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 (2770326393631) 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, 1651231 + ... + 2875276.

It is an arithmetic number, because the mean of its divisors is an integer number (692582883048).

Almost surely, 2^{2770326393661} is an apocalyptic number.

It is an amenable number.

2770326393661 is a deficient number, since it is larger than the sum of its proper divisors (5138531).

2770326393661 is an equidigital number, since it uses as much as digits as its factorization.

2770326393661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5138530.

The product of its (nonzero) digits is 10287648, while the sum is 55.

The spelling of 2770326393661 in words is "two trillion, seven hundred seventy billion, three hundred twenty-six million, three hundred ninety-three thousand, six hundred sixty-one".