8450660458642 has 4 divisors (see below), whose sum is σ = 12675990687966. Its totient is φ = 4225330229320.

The previous prime is 8450660458637. The next prime is 8450660458693. The reversal of 8450660458642 is 2468540660548.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8422352732641 + 28307726001 = 2902129^2 + 168249^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2112665114659 + ... + 2112665114662.

Almost surely, 2^{8450660458642} is an apocalyptic number.

8450660458642 is a deficient number, since it is larger than the sum of its proper divisors (4225330229324).

8450660458642 is a wasteful number, since it uses less digits than its factorization.

8450660458642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4225330229323.

The product of its (nonzero) digits is 44236800, while the sum is 58.

The spelling of 8450660458642 in words is "eight trillion, four hundred fifty billion, six hundred sixty million, four hundred fifty-eight thousand, six hundred forty-two".