1009472667 has 16 divisors (see below), whose sum is σ = 1569638400. Its totient is φ = 576840936.

The previous prime is 1009472647. The next prime is 1009472671. The reversal of 1009472667 is 7662749001.

It is not a de Polignac number, because 1009472667 - 2¹⁹ = 1008948379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1009472647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489483 + ... + 491540.

It is an arithmetic number, because the mean of its divisors is an integer number (98102400).

Almost surely, 2^1009472667 is an apocalyptic number.

1009472667 is a deficient number, since it is larger than the sum of its proper divisors (560165733).

1009472667 is an frugal number, since it uses more digits than its factorization.

1009472667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981047 (or 981033 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 1009472667 is about 31772.1995933552. The cubic root of 1009472667 is about 1003.1476376487.

The spelling of 1009472667 in words is "one billion, nine million, four hundred seventy-two thousand, six hundred sixty-seven".