146363989591 has 16 divisors (see below), whose sum is σ = 148792336000. Its totient is φ = 143950929408.

The previous prime is 146363989561. The next prime is 146363989609. The reversal of 146363989591 is 195989363641.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146363989591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146363989561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35757541 + ... + 35761633.

It is an arithmetic number, because the mean of its divisors is an integer number (9299521000).

Almost surely, 2^146363989591 is an apocalyptic number.

146363989591 is a deficient number, since it is larger than the sum of its proper divisors (2428346409).

146363989591 is a wasteful number, since it uses less digits than its factorization.

146363989591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5818.

The product of its digits is 37791360, while the sum is 64.

The spelling of 146363989591 in words is "one hundred forty-six billion, three hundred sixty-three million, nine hundred eighty-nine thousand, five hundred ninety-one".