8990623153 has 2 divisors, whose sum is σ = 8990623154. Its totient is φ = 8990623152.

The previous prime is 8990623139. The next prime is 8990623199. The reversal of 8990623153 is 3513260998.

It is a happy number.

It is an a-pointer prime, because the next prime (8990623199) can be obtained adding 8990623153 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8902488609 + 88134544 = 94353^2 + 9388^2 .

It is a cyclic number.

It is not a de Polignac number, because 8990623153 - 2⁵ = 8990623121 is a prime.

It is a super-2 number, since 2×8990623153² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8990633153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4495311576 + 4495311577.

It is an arithmetic number, because the mean of its divisors is an integer number (4495311577).

Almost surely, 2^8990623153 is an apocalyptic number.

It is an amenable number.

8990623153 is a deficient number, since it is larger than the sum of its proper divisors (1).

8990623153 is an equidigital number, since it uses as much as digits as its factorization.

8990623153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 8990623153 is about 94818.8966029451. The cubic root of 8990623153 is about 2079.3611784055.

The spelling of 8990623153 in words is "eight billion, nine hundred ninety million, six hundred twenty-three thousand, one hundred fifty-three".