6989747019 has 8 divisors (see below), whose sum is σ = 9328010640. Its totient is φ = 4655657376.

The previous prime is 6989746969. The next prime is 6989747029. The reversal of 6989747019 is 9107479896.

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

It is not a de Polignac number, because 6989747019 - 2²⁴ = 6972969803 is a prime.

It is a super-2 number, since 2×6989747019² = 97713126779238772722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6989747029) 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, 1039584 + ... + 1046285.

It is an arithmetic number, because the mean of its divisors is an integer number (1166001330).

Almost surely, 2^6989747019 is an apocalyptic number.

6989747019 is a deficient number, since it is larger than the sum of its proper divisors (2338263621).

6989747019 is a wasteful number, since it uses less digits than its factorization.

6989747019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086989.

The product of its (nonzero) digits is 6858432, while the sum is 60.

The square root of 6989747019 is about 83604.7069189289. The cubic root of 6989747019 is about 1911.9967622587.

The spelling of 6989747019 in words is "six billion, nine hundred eighty-nine million, seven hundred forty-seven thousand, nineteen".