64502001950 has 24 divisors (see below), whose sum is σ = 123216260232. Its totient is φ = 25103481120.

The previous prime is 64502001947. The next prime is 64502001959. The reversal of 64502001950 is 5910020546.

It is a happy number.

64502001950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×64502001950³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64502001959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17431124 + ... + 17434823.

It is an arithmetic number, because the mean of its divisors is an integer number (5134010843).

Almost surely, 2^64502001950 is an apocalyptic number.

64502001950 is a deficient number, since it is larger than the sum of its proper divisors (58714258282).

64502001950 is a wasteful number, since it uses less digits than its factorization.

64502001950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34865996 (or 34865991 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 64502001950 in words is "sixty-four billion, five hundred two million, one thousand, nine hundred fifty".