64623599041 has 16 divisors (see below), whose sum is σ = 65468835648. Its totient is φ = 63783820800.

The previous prime is 64623599023. The next prime is 64623599059. The reversal of 64623599041 is 14099532646.

It is an interprime number because it is at equal distance from previous prime (64623599023) and next prime (64623599059).

It is a cyclic number.

It is not a de Polignac number, because 64623599041 - 2²⁵ = 64590044609 is a prime.

It is a super-2 number, since 2×64623599041² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64623599021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35683026 + ... + 35684836.

It is an arithmetic number, because the mean of its divisors is an integer number (4091802228).

Almost surely, 2^64623599041 is an apocalyptic number.

It is an amenable number.

64623599041 is a deficient number, since it is larger than the sum of its proper divisors (845236607).

64623599041 is a wasteful number, since it uses less digits than its factorization.

64623599041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072.

The product of its (nonzero) digits is 1399680, while the sum is 49.

The spelling of 64623599041 in words is "sixty-four billion, six hundred twenty-three million, five hundred ninety-nine thousand, forty-one".