988289651 has 2 divisors, whose sum is σ = 988289652. Its totient is φ = 988289650.

The previous prime is 988289629. The next prime is 988289657. The reversal of 988289651 is 156982889.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 988289651 - 2¹⁴ = 988273267 is a prime.

It is not a weakly prime, because it can be changed into another prime (988289657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494144825 + 494144826.

It is an arithmetic number, because the mean of its divisors is an integer number (494144826).

Almost surely, 2^988289651 is an apocalyptic number.

988289651 is a deficient number, since it is larger than the sum of its proper divisors (1).

988289651 is an equidigital number, since it uses as much as digits as its factorization.

988289651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2488320, while the sum is 56.

The square root of 988289651 is about 31437.0744663049. The cubic root of 988289651 is about 996.0812135059.

The spelling of 988289651 in words is "nine hundred eighty-eight million, two hundred eighty-nine thousand, six hundred fifty-one".