2220064649397 has 96 divisors (see below), whose sum is σ = 3993227264000. Its totient is φ = 1160146882944.

The previous prime is 2220064649353. The next prime is 2220064649401. The reversal of 2220064649397 is 7939464600222.

2220064649397 is a `hidden beast` number, since 2 + 2 + 2 + 0 + 0 + 6 + 464 + 93 + 97 = 666.

It is not a de Polignac number, because 2220064649397 - 2¹⁴ = 2220064633013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220064649347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5427354 + ... + 5822052.

Almost surely, 2^{2220064649397} is an apocalyptic number.

It is an amenable number.

2220064649397 is a deficient number, since it is larger than the sum of its proper divisors (1773162614603).

2220064649397 is a wasteful number, since it uses less digits than its factorization.

2220064649397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394895 (or 394892 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 54.

The spelling of 2220064649397 in words is "two trillion, two hundred twenty billion, sixty-four million, six hundred forty-nine thousand, three hundred ninety-seven".