2197342546646 has 8 divisors (see below), whose sum is σ = 3549553344624. Its totient is φ = 1014158098440.

The previous prime is 2197342546631. The next prime is 2197342546687. The reversal of 2197342546646 is 6466452437912.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42256587410 + ... + 42256587461.

It is an arithmetic number, because the mean of its divisors is an integer number (443694168078).

Almost surely, 2^{2197342546646} is an apocalyptic number.

2197342546646 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2197342546646 is a deficient number, since it is larger than the sum of its proper divisors (1352210797978).

2197342546646 is a wasteful number, since it uses less digits than its factorization.

2197342546646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84513174886.

The product of its digits is 52254720, while the sum is 59.

The spelling of 2197342546646 in words is "two trillion, one hundred ninety-seven billion, three hundred forty-two million, five hundred forty-six thousand, six hundred forty-six".