7129213649999 has 8 divisors (see below), whose sum is σ = 8285768891520. Its totient is φ = 6007182445656.

The previous prime is 7129213649981. The next prime is 7129213650017. The reversal of 7129213649999 is 9999463129217.

It is an interprime number because it is at equal distance from previous prime (7129213649981) and next prime (7129213650017).

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

It is not a de Polignac number, because 7129213649999 - 2¹⁶ = 7129213584463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7129213619999) 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, 8631008849 + ... + 8631009674.

It is an arithmetic number, because the mean of its divisors is an integer number (1035721111440).

Almost surely, 2^{7129213649999} is an apocalyptic number.

7129213649999 is a deficient number, since it is larger than the sum of its proper divisors (1156555241521).

7129213649999 is a wasteful number, since it uses less digits than its factorization.

7129213649999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17262018589.

The product of its digits is 119042784, while the sum is 71.

The spelling of 7129213649999 in words is "seven trillion, one hundred twenty-nine billion, two hundred thirteen million, six hundred forty-nine thousand, nine hundred ninety-nine".