6453681233947 has 8 divisors (see below), whose sum is σ = 6472089770256. Its totient is φ = 6435273411072.

The previous prime is 6453681233891. The next prime is 6453681234023. The reversal of 6453681233947 is 7493321863546.

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 6453681233947 - 2²³ = 6453672845339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6453681233147) 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, 21787248 + ... + 22081474.

It is an arithmetic number, because the mean of its divisors is an integer number (809011221282).

Almost surely, 2^{6453681233947} is an apocalyptic number.

6453681233947 is a deficient number, since it is larger than the sum of its proper divisors (18408536309).

6453681233947 is a wasteful number, since it uses less digits than its factorization.

6453681233947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356717.

The product of its digits is 78382080, while the sum is 61.

The spelling of 6453681233947 in words is "six trillion, four hundred fifty-three billion, six hundred eighty-one million, two hundred thirty-three thousand, nine hundred forty-seven".