2470821609 has 8 divisors (see below), whose sum is σ = 3294717952. Its totient is φ = 1647069840.

The previous prime is 2470821601. The next prime is 2470821641. The reversal of 2470821609 is 9061280742.

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

It is not a de Polignac number, because 2470821609 - 2³ = 2470821601 is a prime.

It is a super-2 number, since 2×2470821609² = 12209918847002697762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2470821601) 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, 13464 + ... + 71574.

It is an arithmetic number, because the mean of its divisors is an integer number (411839744).

Almost surely, 2^2470821609 is an apocalyptic number.

It is an amenable number.

2470821609 is a deficient number, since it is larger than the sum of its proper divisors (823896343).

2470821609 is a wasteful number, since it uses less digits than its factorization.

2470821609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72287.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 2470821609 is about 49707.3597065867. The cubic root of 2470821609 is about 1351.9079759573.

The spelling of 2470821609 in words is "two billion, four hundred seventy million, eight hundred twenty-one thousand, six hundred nine".