64350204261 has 32 divisors (see below), whose sum is σ = 103856762880. Its totient is φ = 34598105856.

The previous prime is 64350204253. The next prime is 64350204263. The reversal of 64350204261 is 16240205346.

It is not a de Polignac number, because 64350204261 - 2³ = 64350204253 is a prime.

It is a super-2 number, since 2×64350204261² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64350204263) 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, 1245240 + ... + 1295886.

It is an arithmetic number, because the mean of its divisors is an integer number (3245523840).

Almost surely, 2^64350204261 is an apocalyptic number.

It is an amenable number.

64350204261 is a deficient number, since it is larger than the sum of its proper divisors (39506558619).

64350204261 is a wasteful number, since it uses less digits than its factorization.

64350204261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54233.

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 64350204261 in words is "sixty-four billion, three hundred fifty million, two hundred four thousand, two hundred sixty-one".