7214646354064 has 20 divisors (see below), whose sum is σ = 13986614474604. Its totient is φ = 3605197457408.

The previous prime is 7214646354001. The next prime is 7214646354073. The reversal of 7214646354064 is 4604536464127.

It can be written as a sum of positive squares in 2 ways, for example, as 3902173553664 + 3312472800400 = 1975392^2 + 1820020^2 .

It is a super-2 number, since 2×7214646354064² (a number of 27 digits) contains 22 as substring.

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, 132829477 + ... + 132883780.

Almost surely, 2^{7214646354064} is an apocalyptic number.

It is an amenable number.

7214646354064 is a deficient number, since it is larger than the sum of its proper divisors (6771968120540).

7214646354064 is a wasteful number, since it uses less digits than its factorization.

7214646354064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265714962 (or 265714956 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 52.

The spelling of 7214646354064 in words is "seven trillion, two hundred fourteen billion, six hundred forty-six million, three hundred fifty-four thousand, sixty-four".