2099255634761 has 8 divisors (see below), whose sum is σ = 2135732242560. Its totient is φ = 2062808893872.

The previous prime is 2099255634727. The next prime is 2099255634779. The reversal of 2099255634761 is 1674365529902.

It is a happy number.

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

It is not a de Polignac number, because 2099255634761 - 2¹⁴ = 2099255618377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2099255634761.

It is not an unprimeable number, because it can be changed into a prime (2099255624761) 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, 7324910 + ... + 7606103.

It is an arithmetic number, because the mean of its divisors is an integer number (266966530320).

Almost surely, 2^{2099255634761} is an apocalyptic number.

It is an amenable number.

2099255634761 is a deficient number, since it is larger than the sum of its proper divisors (36476607799).

2099255634761 is a wasteful number, since it uses less digits than its factorization.

2099255634761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14933455.

The product of its (nonzero) digits is 24494400, while the sum is 59.

The spelling of 2099255634761 in words is "two trillion, ninety-nine billion, two hundred fifty-five million, six hundred thirty-four thousand, seven hundred sixty-one".