6989493751619 has 8 divisors (see below), whose sum is σ = 6998719432032. Its totient is φ = 6980273556480.

The previous prime is 6989493751609. The next prime is 6989493751627. The reversal of 6989493751619 is 9161573949896.

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

It is a cyclic number.

It is not a de Polignac number, because 6989493751619 - 2²⁰ = 6989492703043 is a prime.

It is a super-2 number, since 2×6989493751619² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6989493751619.

It is not an unprimeable number, because it can be changed into a prime (6989493751609) 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, 1181954 + ... + 3921224.

It is an arithmetic number, because the mean of its divisors is an integer number (874839929004).

Almost surely, 2^{6989493751619} is an apocalyptic number.

6989493751619 is a deficient number, since it is larger than the sum of its proper divisors (9225680413).

6989493751619 is a wasteful number, since it uses less digits than its factorization.

6989493751619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742637.

The product of its digits is 793618560, while the sum is 77.

The spelling of 6989493751619 in words is "six trillion, nine hundred eighty-nine billion, four hundred ninety-three million, seven hundred fifty-one thousand, six hundred nineteen".