64134402501 has 8 divisors (see below), whose sum is σ = 92090424160. Its totient is φ = 39467324592.

The previous prime is 64134402491. The next prime is 64134402523. The reversal of 64134402501 is 10520443146.

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

It is not a de Polignac number, because 64134402501 - 2⁵ = 64134402469 is a prime.

It is a super-2 number, since 2×64134402501² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64134402001) 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, 822235891 + ... + 822235968.

It is an arithmetic number, because the mean of its divisors is an integer number (11511303020).

Almost surely, 2^64134402501 is an apocalyptic number.

It is an amenable number.

64134402501 is a deficient number, since it is larger than the sum of its proper divisors (27956021659).

64134402501 is a wasteful number, since it uses less digits than its factorization.

64134402501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644471875.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 64134402501 its reverse (10520443146), we get a palindrome (74654845647).

The spelling of 64134402501 in words is "sixty-four billion, one hundred thirty-four million, four hundred two thousand, five hundred one".