2765898220321 has 8 divisors (see below), whose sum is σ = 2937037885920. Its totient is φ = 2595696307008.

The previous prime is 2765898220291. The next prime is 2765898220331. The reversal of 2765898220321 is 1230228985672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2765898220321 - 2⁵ = 2765898220289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2765898220331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234431991 + ... + 234443788.

It is an arithmetic number, because the mean of its divisors is an integer number (367129735740).

Almost surely, 2^{2765898220321} is an apocalyptic number.

It is an amenable number.

2765898220321 is a deficient number, since it is larger than the sum of its proper divisors (171139665599).

2765898220321 is a wasteful number, since it uses less digits than its factorization.

2765898220321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468876143.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 2765898220321 in words is "two trillion, seven hundred sixty-five billion, eight hundred ninety-eight million, two hundred twenty thousand, three hundred twenty-one".