459738987946 has 16 divisors (see below), whose sum is σ = 788545255680. Its totient is φ = 196925675760.

The previous prime is 459738987919. The next prime is 459738987949. The reversal of 459738987946 is 649789837954.

It is a super-2 number, since 2×459738987946² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (459738987949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8749461 + ... + 8801848.

It is an arithmetic number, because the mean of its divisors is an integer number (49284078480).

Almost surely, 2^459738987946 is an apocalyptic number.

459738987946 is a deficient number, since it is larger than the sum of its proper divisors (328806267734).

459738987946 is a wasteful number, since it uses less digits than its factorization.

459738987946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17553189.

The product of its digits is 3292047360, while the sum is 79.

The spelling of 459738987946 in words is "four hundred fifty-nine billion, seven hundred thirty-eight million, nine hundred eighty-seven thousand, nine hundred forty-six".