64420106441051 has 8 divisors (see below), whose sum is σ = 65923669449264. Its totient is φ = 62916789841920.

The previous prime is 64420106441039. The next prime is 64420106441113. The reversal of 64420106441051 is 15014460102446.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64420106441051 is a prime.

It is a super-2 number, since 2×64420106441051² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64420106440996 and 64420106441014.

It is not an unprimeable number, because it can be changed into a prime (64420106440051) 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, 61073246 + ... + 62119091.

It is an arithmetic number, because the mean of its divisors is an integer number (8240458681158).

Almost surely, 2^{64420106441051} is an apocalyptic number.

64420106441051 is a deficient number, since it is larger than the sum of its proper divisors (1503563008213).

64420106441051 is a wasteful number, since it uses less digits than its factorization.

64420106441051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123204541.

The product of its (nonzero) digits is 92160, while the sum is 38.

Adding to 64420106441051 its reverse (15014460102446), we get a palindrome (79434566543497).

The spelling of 64420106441051 in words is "sixty-four trillion, four hundred twenty billion, one hundred six million, four hundred forty-one thousand, fifty-one".