64541434126 has 64 divisors (see below), whose sum is σ = 111476736000. Its totient is φ = 27797616000.

The previous prime is 64541434123. The next prime is 64541434147. The reversal of 64541434126 is 62143414546.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64541434123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26902275 + ... + 26904673.

It is an arithmetic number, because the mean of its divisors is an integer number (1741824000).

Almost surely, 2^64541434126 is an apocalyptic number.

64541434126 is a deficient number, since it is larger than the sum of its proper divisors (46935301874).

64541434126 is a wasteful number, since it uses less digits than its factorization.

64541434126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3625.

The product of its digits is 276480, while the sum is 40.

The spelling of 64541434126 in words is "sixty-four billion, five hundred forty-one million, four hundred thirty-four thousand, one hundred twenty-six".