451031664410402 has 4 divisors (see below), whose sum is σ = 676547496615606. Its totient is φ = 225515832205200.

The previous prime is 451031664410347. The next prime is 451031664410443. The reversal of 451031664410402 is 204014466130154.

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., 448958931199801 + 2072733210601 = 21188651^2 + 1439699^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 451031664410402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112757916102599 + ... + 112757916102602.

Almost surely, 2^{451031664410402} is an apocalyptic number.

451031664410402 is a deficient number, since it is larger than the sum of its proper divisors (225515832205204).

451031664410402 is a wasteful number, since it uses less digits than its factorization.

451031664410402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225515832205203.

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 451031664410402 in words is "four hundred fifty-one trillion, thirty-one billion, six hundred sixty-four million, four hundred ten thousand, four hundred two".