465643648072 has 8 divisors (see below), whose sum is σ = 873081840150. Its totient is φ = 232821824032.

The previous prime is 465643648033. The next prime is 465643648121. The reversal of 465643648072 is 270846346564.

It can be written as a sum of positive squares in only one way, i.e., 455903142436 + 9740505636 = 675206^2 + 98694^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29102727997 + ... + 29102728012.

Almost surely, 2^465643648072 is an apocalyptic number.

It is an amenable number.

465643648072 is a deficient number, since it is larger than the sum of its proper divisors (407438192078).

465643648072 is a wasteful number, since it uses less digits than its factorization.

465643648072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58205456015 (or 58205456011 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 55.

The spelling of 465643648072 in words is "four hundred sixty-five billion, six hundred forty-three million, six hundred forty-eight thousand, seventy-two".