189551070697404 has 24 divisors (see below), whose sum is σ = 476307818675920. Its totient is φ = 58323406368384.

The previous prime is 189551070697393. The next prime is 189551070697409. The reversal of 189551070697404 is 404796070155981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189551070697409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607535482849 + ... + 607535483160.

Almost surely, 2^{189551070697404} is an apocalyptic number.

It is an amenable number.

189551070697404 is an abundant number, since it is smaller than the sum of its proper divisors (286756747978516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189551070697404 is a wasteful number, since it uses less digits than its factorization.

189551070697404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215070966029 (or 1215070966027 counting only the distinct ones).

The product of its (nonzero) digits is 76204800, while the sum is 66.

The spelling of 189551070697404 in words is "one hundred eighty-nine trillion, five hundred fifty-one billion, seventy million, six hundred ninety-seven thousand, four hundred four".