451448437451 has 8 divisors (see below), whose sum is σ = 508375953408. Its totient is φ = 397168713000.

The previous prime is 451448437423. The next prime is 451448437493. The reversal of 451448437451 is 154734844154.

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 451448437451 - 2³⁴ = 434268568267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 451448437451.

It is not an unprimeable number, because it can be changed into a prime (451448437421) 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, 661947515 + ... + 661948196.

It is an arithmetic number, because the mean of its divisors is an integer number (63546994176).

Almost surely, 2^451448437451 is an apocalyptic number.

451448437451 is a deficient number, since it is larger than the sum of its proper divisors (56927515957).

451448437451 is a wasteful number, since it uses less digits than its factorization.

451448437451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323895753.

The product of its digits is 4300800, while the sum is 50.

The spelling of 451448437451 in words is "four hundred fifty-one billion, four hundred forty-eight million, four hundred thirty-seven thousand, four hundred fifty-one".