65419335072 has 480 divisors, whose sum is σ = 237786861312. Its totient is φ = 17181351936.

The previous prime is 65419335053. The next prime is 65419335083. The reversal of 65419335072 is 27053391456.

65419335072 is a `hidden beast` number, since 6 + 54 + 1 + 93 + 3 + 507 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 79488453 + ... + 79489275.

Almost surely, 2^65419335072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65419335072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118893430656).

65419335072 is an abundant number, since it is smaller than the sum of its proper divisors (172367526240).

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

65419335072 is a wasteful number, since it uses less digits than its factorization.

65419335072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202 (or 1185 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The spelling of 65419335072 in words is "sixty-five billion, four hundred nineteen million, three hundred thirty-five thousand, seventy-two".