461402446209 has 8 divisors (see below), whose sum is σ = 618326121600. Its totient is φ = 306040200816.

The previous prime is 461402446093. The next prime is 461402446231. The reversal of 461402446209 is 902644204164.

It is a happy number.

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

It is not a de Polignac number, because 461402446209 - 2⁷ = 461402446081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (461402446289) 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, 390356809 + ... + 390357990.

It is an arithmetic number, because the mean of its divisors is an integer number (77290765200).

Almost surely, 2^461402446209 is an apocalyptic number.

It is an amenable number.

461402446209 is a deficient number, since it is larger than the sum of its proper divisors (156923675391).

461402446209 is a wasteful number, since it uses less digits than its factorization.

461402446209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780714999.

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 461402446209 in words is "four hundred sixty-one billion, four hundred two million, four hundred forty-six thousand, two hundred nine".