6451362438 has 8 divisors (see below), whose sum is σ = 12902724888. Its totient is φ = 2150454144.

The previous prime is 6451362433. The next prime is 6451362509. The reversal of 6451362438 is 8342631546.

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

6451362438 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 6451362438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6451362433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537613531 + ... + 537613542.

It is an arithmetic number, because the mean of its divisors is an integer number (1612840611).

Almost surely, 2^6451362438 is an apocalyptic number.

6451362438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6451362438 is a wasteful number, since it uses less digits than its factorization.

6451362438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075227078.

The product of its digits is 414720, while the sum is 42.

The square root of 6451362438 is about 80320.3737416603. The cubic root of 6451362438 is about 1861.5890415262.

The spelling of 6451362438 in words is "six billion, four hundred fifty-one million, three hundred sixty-two thousand, four hundred thirty-eight".