65404001346 has 32 divisors (see below), whose sum is σ = 131895674880. Its totient is φ = 21620635344.

The previous prime is 65404001317. The next prime is 65404001353. The reversal of 65404001346 is 64310040456.

65404001346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380595 + ... + 525033.

It is an arithmetic number, because the mean of its divisors is an integer number (4121739840).

Almost surely, 2^65404001346 is an apocalyptic number.

65404001346 is an abundant number, since it is smaller than the sum of its proper divisors (66491673534).

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

65404001346 is a wasteful number, since it uses less digits than its factorization.

65404001346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145070.

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

The spelling of 65404001346 in words is "sixty-five billion, four hundred four million, one thousand, three hundred forty-six".