988961572633 has 2 divisors, whose sum is σ = 988961572634. Its totient is φ = 988961572632.

The previous prime is 988961572607. The next prime is 988961572657. The reversal of 988961572633 is 336275169889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 825868365529 + 163093207104 = 908773^2 + 403848^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-988961572633 is a prime.

It is not a weakly prime, because it can be changed into another prime (988961572733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494480786316 + 494480786317.

It is an arithmetic number, because the mean of its divisors is an integer number (494480786317).

Almost surely, 2^988961572633 is an apocalyptic number.

It is an amenable number.

988961572633 is a deficient number, since it is larger than the sum of its proper divisors (1).

988961572633 is an equidigital number, since it uses as much as digits as its factorization.

988961572633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117573120, while the sum is 67.

The spelling of 988961572633 in words is "nine hundred eighty-eight billion, nine hundred sixty-one million, five hundred seventy-two thousand, six hundred thirty-three".