6989306455 has 8 divisors (see below), whose sum is σ = 8410929552. Its totient is φ = 5575603968.

The previous prime is 6989306431. The next prime is 6989306479. The reversal of 6989306455 is 5546039896.

It is an interprime number because it is at equal distance from previous prime (6989306431) and next prime (6989306479).

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 6989306455 - 2¹⁷ = 6989175383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6989306396 and 6989306405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1978209 + ... + 1981738.

It is an arithmetic number, because the mean of its divisors is an integer number (1051366194).

Almost surely, 2^6989306455 is an apocalyptic number.

6989306455 is a deficient number, since it is larger than the sum of its proper divisors (1421623097).

6989306455 is a wasteful number, since it uses less digits than its factorization.

6989306455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3960305.

The product of its (nonzero) digits is 6998400, while the sum is 55.

The square root of 6989306455 is about 83602.0720736035. The cubic root of 6989306455 is about 1911.9565903403.

The spelling of 6989306455 in words is "six billion, nine hundred eighty-nine million, three hundred six thousand, four hundred fifty-five".