9189145401 has 8 divisors (see below), whose sum is σ = 12253088640. Its totient is φ = 6125649552.

The previous prime is 9189145387. The next prime is 9189145477. The reversal of 9189145401 is 1045419819.

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

It is not a de Polignac number, because 9189145401 - 2²⁶ = 9122036537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9189145481) 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, 60561 + ... + 148478.

It is an arithmetic number, because the mean of its divisors is an integer number (1531636080).

Almost surely, 2^9189145401 is an apocalyptic number.

It is an amenable number.

9189145401 is a deficient number, since it is larger than the sum of its proper divisors (3063943239).

9189145401 is a wasteful number, since it uses less digits than its factorization.

9189145401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223695.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 9189145401 is about 95860.0302576627. The cubic root of 9189145401 is about 2094.5547059507.

The spelling of 9189145401 in words is "nine billion, one hundred eighty-nine million, one hundred forty-five thousand, four hundred one".