153961989207 has 8 divisors (see below), whose sum is σ = 221073625584. Its totient is φ = 94745839488.

The previous prime is 153961989173. The next prime is 153961989221. The reversal of 153961989207 is 702989169351.

153961989207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 153961989207 - 2¹⁶ = 153961923671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153961989227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1973871618 + ... + 1973871695.

It is an arithmetic number, because the mean of its divisors is an integer number (27634203198).

Almost surely, 2^153961989207 is an apocalyptic number.

153961989207 is a deficient number, since it is larger than the sum of its proper divisors (67111636377).

153961989207 is a wasteful number, since it uses less digits than its factorization.

153961989207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3947743329.

The product of its (nonzero) digits is 7348320, while the sum is 60.

The spelling of 153961989207 in words is "one hundred fifty-three billion, nine hundred sixty-one million, nine hundred eighty-nine thousand, two hundred seven".