6420452331101 has 8 divisors (see below), whose sum is σ = 6642515127000. Its totient is φ = 6198434061120.

The previous prime is 6420452331091. The next prime is 6420452331103. The reversal of 6420452331101 is 1011332540246.

It can be written as a sum of positive squares in 4 ways, for example, as 6440223001 + 6414012108100 = 80251^2 + 2532590^2 .

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 6420452331101 - 2⁶ = 6420452331037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6420452331103) 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, 10837970 + ... + 11415011.

It is an arithmetic number, because the mean of its divisors is an integer number (830314390875).

Almost surely, 2^{6420452331101} is an apocalyptic number.

It is an amenable number.

6420452331101 is a deficient number, since it is larger than the sum of its proper divisors (222062795899).

6420452331101 is a wasteful number, since it uses less digits than its factorization.

6420452331101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22262959.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 6420452331101 its reverse (1011332540246), we get a palindrome (7431784871347).

The spelling of 6420452331101 in words is "six trillion, four hundred twenty billion, four hundred fifty-two million, three hundred thirty-one thousand, one hundred one".