189332961405 has 64 divisors (see below), whose sum is σ = 359561617920. Its totient is φ = 83266596864.

The previous prime is 189332961383. The next prime is 189332961421. The reversal of 189332961405 is 504169233981.

It is not a de Polignac number, because 189332961405 - 2⁶ = 189332961341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71977 + ... + 619553.

It is an arithmetic number, because the mean of its divisors is an integer number (5618150280).

Almost surely, 2^189332961405 is an apocalyptic number.

189332961405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

189332961405 is a deficient number, since it is larger than the sum of its proper divisors (170228656515).

189332961405 is a wasteful number, since it uses less digits than its factorization.

189332961405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547718.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 189332961405 in words is "one hundred eighty-nine billion, three hundred thirty-two million, nine hundred sixty-one thousand, four hundred five".