7214643642929 has 4 divisors (see below), whose sum is σ = 7240318531620. Its totient is φ = 7188968754240.

The previous prime is 7214643642893. The next prime is 7214643642931. The reversal of 7214643642929 is 9292463464127.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4244329271329 + 2970314371600 = 2060177^2 + 1723460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7214643642929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7214643642029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12837443924 + ... + 12837444485.

It is an arithmetic number, because the mean of its divisors is an integer number (1810079632905).

Almost surely, 2^{7214643642929} is an apocalyptic number.

It is an amenable number.

7214643642929 is a deficient number, since it is larger than the sum of its proper divisors (25674888691).

7214643642929 is a wasteful number, since it uses less digits than its factorization.

7214643642929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25674888690.

The product of its digits is 31352832, while the sum is 59.

The spelling of 7214643642929 in words is "seven trillion, two hundred fourteen billion, six hundred forty-three million, six hundred forty-two thousand, nine hundred twenty-nine".