901189134747 has 20 divisors (see below), whose sum is σ = 1468604517336. Its totient is φ = 546175232640.

The previous prime is 901189134721. The next prime is 901189134779. The reversal of 901189134747 is 747431981109.

It is a happy number.

901189134747 is a `hidden beast` number, since 90 + 1 + 1 + 89 + 1 + 3 + 474 + 7 = 666.

It is not a de Polignac number, because 901189134747 - 2⁸ = 901189134491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 901189134693 and 901189134702.

It is not an unprimeable number, because it can be changed into a prime (901189134847) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 505716918 + ... + 505718699.

Almost surely, 2^901189134747 is an apocalyptic number.

901189134747 is a deficient number, since it is larger than the sum of its proper divisors (567415382589).

901189134747 is a wasteful number, since it uses less digits than its factorization.

901189134747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011435640 (or 1011435631 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The spelling of 901189134747 in words is "nine hundred one billion, one hundred eighty-nine million, one hundred thirty-four thousand, seven hundred forty-seven".