65408133290 has 16 divisors (see below), whose sum is σ = 118581654240. Its totient is φ = 25975027920.

The previous prime is 65408133281. The next prime is 65408133293. The reversal of 65408133290 is 9233180456.

65408133290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (65408133293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23526716 + ... + 23529495.

It is an arithmetic number, because the mean of its divisors is an integer number (7411353390).

Almost surely, 2^65408133290 is an apocalyptic number.

65408133290 is a deficient number, since it is larger than the sum of its proper divisors (53173520950).

65408133290 is a wasteful number, since it uses less digits than its factorization.

65408133290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47056357.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 65408133290 in words is "sixty-five billion, four hundred eight million, one hundred thirty-three thousand, two hundred ninety".