461009899 has 8 divisors (see below), whose sum is σ = 541108448. Its totient is φ = 384471360.

The previous prime is 461009869. The next prime is 461009911. The reversal of 461009899 is 998900164.

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

It is not a de Polignac number, because 461009899 - 2¹⁹ = 460485611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461009869) 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, 889722 + ... + 890239.

It is an arithmetic number, because the mean of its divisors is an integer number (67638556).

Almost surely, 2^461009899 is an apocalyptic number.

461009899 is a deficient number, since it is larger than the sum of its proper divisors (80098549).

461009899 is a wasteful number, since it uses less digits than its factorization.

461009899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780005.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 461009899 is about 21471.1410735433. The cubic root of 461009899 is about 772.5087672294.

The spelling of 461009899 in words is "four hundred sixty-one million, nine thousand, eight hundred ninety-nine".