6998730378995 has 16 divisors (see below), whose sum is σ = 8412847099200. Its totient is φ = 5589404655744.

The previous prime is 6998730378989. The next prime is 6998730379001. The reversal of 6998730378995 is 5998730378996.

It is an interprime number because it is at equal distance from previous prime (6998730378989) and next prime (6998730379001).

It is a cyclic number.

It is not a de Polignac number, because 6998730378995 - 2¹⁶ = 6998730313459 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130905689 + ... + 130959141.

It is an arithmetic number, because the mean of its divisors is an integer number (525802943700).

Almost surely, 2^{6998730378995} is an apocalyptic number.

6998730378995 is a deficient number, since it is larger than the sum of its proper divisors (1414116720205).

6998730378995 is a wasteful number, since it uses less digits than its factorization.

6998730378995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97774.

The product of its (nonzero) digits is 5555329920, while the sum is 83.

Subtracting from 6998730378995 its reverse (5998730378996), we obtain a palindrome (999999999999).

The spelling of 6998730378995 in words is "six trillion, nine hundred ninety-eight billion, seven hundred thirty million, three hundred seventy-eight thousand, nine hundred ninety-five".