451434106536465 has 24 divisors (see below), whose sum is σ = 782129623636800. Its totient is φ = 222244483216704.

The previous prime is 451434106536461. The next prime is 451434106536467. The reversal of 451434106536465 is 564635601434154.

It is not a de Polignac number, because 451434106536465 - 2² = 451434106536461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (451434106536461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89040255165 + ... + 89040260234.

It is an arithmetic number, because the mean of its divisors is an integer number (32588734318200).

Almost surely, 2^{451434106536465} is an apocalyptic number.

It is an amenable number.

451434106536465 is a deficient number, since it is larger than the sum of its proper divisors (330695517100335).

451434106536465 is a wasteful number, since it uses less digits than its factorization.

451434106536465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178080515433 (or 178080515420 counting only the distinct ones).

The product of its (nonzero) digits is 62208000, while the sum is 57.

The spelling of 451434106536465 in words is "four hundred fifty-one trillion, four hundred thirty-four billion, one hundred six million, five hundred thirty-six thousand, four hundred sixty-five".