149008084632821 has 2 divisors, whose sum is σ = 149008084632822. Its totient is φ = 149008084632820.

The previous prime is 149008084632739. The next prime is 149008084632877. The reversal of 149008084632821 is 128236480800941.

It is an a-pointer prime, because the next prime (149008084632877) can be obtained adding 149008084632821 to its sum of digits (56).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78795181522225 + 70212903110596 = 8876665^2 + 8379314^2 .

It is an emirp because it is prime and its reverse (128236480800941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149008084632821 - 2¹⁴ = 149008084616437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149008084637821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74504042316410 + 74504042316411.

It is an arithmetic number, because the mean of its divisors is an integer number (74504042316411).

Almost surely, 2^{149008084632821} is an apocalyptic number.

It is an amenable number.

149008084632821 is a deficient number, since it is larger than the sum of its proper divisors (1).

149008084632821 is an equidigital number, since it uses as much as digits as its factorization.

149008084632821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5308416, while the sum is 56.

The spelling of 149008084632821 in words is "one hundred forty-nine trillion, eight billion, eighty-four million, six hundred thirty-two thousand, eight hundred twenty-one".