64495701000 has 192 divisors, whose sum is σ = 219097008000. Its totient is φ = 17111952000.

The previous prime is 64495700977. The next prime is 64495701013. The reversal of 64495701000 is 10759446.

64495701000 is a `hidden beast` number, since 64 + 495 + 7 + 0 + 100 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1772995 + ... + 1809005.

It is an arithmetic number, because the mean of its divisors is an integer number (1141130250).

Almost surely, 2^64495701000 is an apocalyptic number.

64495701000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64495701000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109548504000).

64495701000 is an abundant number, since it is smaller than the sum of its proper divisors (154601307000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64495701000 is a wasteful number, since it uses less digits than its factorization.

64495701000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36237 (or 36220 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 64495701000 in words is "sixty-four billion, four hundred ninety-five million, seven hundred one thousand".