2197826206761 has 8 divisors (see below), whose sum is σ = 2933465385664. Its totient is φ = 1463702249520.

The previous prime is 2197826206759. The next prime is 2197826206783. The reversal of 2197826206761 is 1676026287912.

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 2197826206761 - 2¹ = 2197826206759 is a prime.

It is a super-2 number, since 2×2197826206761² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2197826206361) 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, 378802030 + ... + 378807831.

It is an arithmetic number, because the mean of its divisors is an integer number (366683173208).

Almost surely, 2^{2197826206761} is an apocalyptic number.

It is an amenable number.

2197826206761 is a deficient number, since it is larger than the sum of its proper divisors (735639178903).

2197826206761 is an equidigital number, since it uses as much as digits as its factorization.

2197826206761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757610831.

The product of its (nonzero) digits is 6096384, while the sum is 57.

The spelling of 2197826206761 in words is "two trillion, one hundred ninety-seven billion, eight hundred twenty-six million, two hundred six thousand, seven hundred sixty-one".