9212871745 has 16 divisors (see below), whose sum is σ = 13783413888. Its totient is φ = 5743088640.

The previous prime is 9212871739. The next prime is 9212871763. The reversal of 9212871745 is 5471782129.

It is not a de Polignac number, because 9212871745 - 2³ = 9212871737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9212871695 and 9212871704.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11964384 + ... + 11965153.

It is an arithmetic number, because the mean of its divisors is an integer number (861463368).

Almost surely, 2^9212871745 is an apocalyptic number.

It is an amenable number.

9212871745 is a deficient number, since it is larger than the sum of its proper divisors (4570542143).

9212871745 is a wasteful number, since it uses less digits than its factorization.

9212871745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23929560.

The product of its digits is 282240, while the sum is 46.

The square root of 9212871745 is about 95983.7056223607. The cubic root of 9212871745 is about 2096.3558678222.

The spelling of 9212871745 in words is "nine billion, two hundred twelve million, eight hundred seventy-one thousand, seven hundred forty-five".