451736480641 has 8 divisors (see below), whose sum is σ = 454500870824. Its totient is φ = 448975042560.

The previous prime is 451736480639. The next prime is 451736480659. The reversal of 451736480641 is 146084637154.

It can be written as a sum of positive squares in 4 ways, for example, as 16042755600 + 435693725041 = 126660^2 + 660071^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 451736480641 - 2¹ = 451736480639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451736480441) 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, 430656 + ... + 1043521.

It is an arithmetic number, because the mean of its divisors is an integer number (56812608853).

Almost surely, 2^451736480641 is an apocalyptic number.

It is an amenable number.

451736480641 is a deficient number, since it is larger than the sum of its proper divisors (2764390183).

451736480641 is a wasteful number, since it uses less digits than its factorization.

451736480641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476051.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 451736480641 in words is "four hundred fifty-one billion, seven hundred thirty-six million, four hundred eighty thousand, six hundred forty-one".