153342336821 has 2 divisors, whose sum is σ = 153342336822. Its totient is φ = 153342336820.

The previous prime is 153342336809. The next prime is 153342336839. The reversal of 153342336821 is 128633243351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95338912900 + 58003423921 = 308770^2 + 240839^2 .

It is an emirp because it is prime and its reverse (128633243351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 153342336821 - 2²⁶ = 153275227957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153342330821) 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, 76671168410 + 76671168411.

It is an arithmetic number, because the mean of its divisors is an integer number (76671168411).

Almost surely, 2^153342336821 is an apocalyptic number.

It is an amenable number.

153342336821 is a deficient number, since it is larger than the sum of its proper divisors (1).

153342336821 is an equidigital number, since it uses as much as digits as its factorization.

153342336821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 41.

The spelling of 153342336821 in words is "one hundred fifty-three billion, three hundred forty-two million, three hundred thirty-six thousand, eight hundred twenty-one".