2470421857 has 8 divisors (see below), whose sum is σ = 2610336960. Its totient is φ = 2331496080.

The previous prime is 2470421813. The next prime is 2470421873. The reversal of 2470421857 is 7581240742.

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

It is not a de Polignac number, because 2470421857 - 2¹⁹ = 2469897569 is a prime.

It is a super-2 number, since 2×2470421857² = 12205968303086656898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2470425857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242194 + ... + 252187.

It is an arithmetic number, because the mean of its divisors is an integer number (326292120).

Almost surely, 2^2470421857 is an apocalyptic number.

It is an amenable number.

2470421857 is a deficient number, since it is larger than the sum of its proper divisors (139915103).

2470421857 is a wasteful number, since it uses less digits than its factorization.

2470421857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494663.

The product of its (nonzero) digits is 125440, while the sum is 40.

The square root of 2470421857 is about 49703.3384894818. The cubic root of 2470421857 is about 1351.8350640343.

The spelling of 2470421857 in words is "two billion, four hundred seventy million, four hundred twenty-one thousand, eight hundred fifty-seven".