153669983 has 2 divisors, whose sum is σ = 153669984. Its totient is φ = 153669982.

The previous prime is 153669979. The next prime is 153670001. The reversal of 153669983 is 389966351.

153669983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 153669983 - 2² = 153669979 is a prime.

It is a super-2 number, since 2×153669983² = 47228927350440578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153669913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76834991 + 76834992.

It is an arithmetic number, because the mean of its divisors is an integer number (76834992).

Almost surely, 2^153669983 is an apocalyptic number.

153669983 is a deficient number, since it is larger than the sum of its proper divisors (1).

153669983 is an equidigital number, since it uses as much as digits as its factorization.

153669983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 50.

The square root of 153669983 is about 12396.3697508585. The cubic root of 153669983 is about 535.6276826575.

The spelling of 153669983 in words is "one hundred fifty-three million, six hundred sixty-nine thousand, nine hundred eighty-three".