153364681997 has 2 divisors, whose sum is σ = 153364681998. Its totient is φ = 153364681996.

The previous prime is 153364681993. The next prime is 153364682021. The reversal of 153364681997 is 799186463351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124255545001 + 29109136996 = 352499^2 + 170614^2 .

It is a cyclic number.

It is not a de Polignac number, because 153364681997 - 2² = 153364681993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153364681991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76682340998 + 76682340999.

It is an arithmetic number, because the mean of its divisors is an integer number (76682340999).

Almost surely, 2^153364681997 is an apocalyptic number.

It is an amenable number.

153364681997 is a deficient number, since it is larger than the sum of its proper divisors (1).

153364681997 is an equidigital number, since it uses as much as digits as its factorization.

153364681997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29393280, while the sum is 62.

The spelling of 153364681997 in words is "one hundred fifty-three billion, three hundred sixty-four million, six hundred eighty-one thousand, nine hundred ninety-seven".