8634488937149 has 2 divisors, whose sum is σ = 8634488937150. Its totient is φ = 8634488937148.

The previous prime is 8634488937073. The next prime is 8634488937181. The reversal of 8634488937149 is 9417398844368.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6437815171225 + 2196673765924 = 2537285^2 + 1482118^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8634488937149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8634488937649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4317244468574 + 4317244468575.

It is an arithmetic number, because the mean of its divisors is an integer number (4317244468575).

Almost surely, 2^{8634488937149} is an apocalyptic number.

It is an amenable number.

8634488937149 is a deficient number, since it is larger than the sum of its proper divisors (1).

8634488937149 is an equidigital number, since it uses as much as digits as its factorization.

8634488937149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1003290624, while the sum is 74.

The spelling of 8634488937149 in words is "eight trillion, six hundred thirty-four billion, four hundred eighty-eight million, nine hundred thirty-seven thousand, one hundred forty-nine".