190901424447 has 12 divisors (see below), whose sum is σ = 279630256464. Its totient is φ = 125475114240.

The previous prime is 190901424437. The next prime is 190901424449. The reversal of 190901424447 is 744424109091.

190901424447 is a `hidden beast` number, since 1 + 90 + 90 + 14 + 24 + 447 = 666.

It is not a de Polignac number, because 190901424447 - 2⁷ = 190901424319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190901424449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149374498 + ... + 149375775.

It is an arithmetic number, because the mean of its divisors is an integer number (23302521372).

Almost surely, 2^190901424447 is an apocalyptic number.

190901424447 is a deficient number, since it is larger than the sum of its proper divisors (88728832017).

190901424447 is a wasteful number, since it uses less digits than its factorization.

190901424447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298750350 (or 298750347 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 190901424447 in words is "one hundred ninety billion, nine hundred one million, four hundred twenty-four thousand, four hundred forty-seven".