64051423645 has 32 divisors (see below), whose sum is σ = 86280090624. Its totient is φ = 45242534400.

The previous prime is 64051423627. The next prime is 64051423669. The reversal of 64051423645 is 54632415046.

64051423645 is digitally balanced in base 11, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64051423645 - 2¹³ = 64051415453 is a prime.

It is a Duffinian number.

64051423645 is strictly pandigital in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 64051423598 and 64051423607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 439179 + ... + 566551.

It is an arithmetic number, because the mean of its divisors is an integer number (2696252832).

Almost surely, 2^64051423645 is an apocalyptic number.

It is an amenable number.

64051423645 is a deficient number, since it is larger than the sum of its proper divisors (22228666979).

64051423645 is a wasteful number, since it uses less digits than its factorization.

64051423645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127653.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 64051423645 in words is "sixty-four billion, fifty-one million, four hundred twenty-three thousand, six hundred forty-five".