492151009 has 8 divisors (see below), whose sum is σ = 580602368. Its totient is φ = 408235680.

The previous prime is 492151001. The next prime is 492151021. The reversal of 492151009 is 900151294.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 492151009 - 2³ = 492151001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492151001) 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, 1133772 + ... + 1134205.

It is an arithmetic number, because the mean of its divisors is an integer number (72575296).

Almost surely, 2^492151009 is an apocalyptic number.

It is an amenable number.

492151009 is a deficient number, since it is larger than the sum of its proper divisors (88451359).

492151009 is a wasteful number, since it uses less digits than its factorization.

492151009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268015.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 492151009 is about 22184.4767574085. The cubic root of 492151009 is about 789.5254368203.

The spelling of 492151009 in words is "four hundred ninety-two million, one hundred fifty-one thousand, nine".