65458199104 has 21 divisors (see below), whose sum is σ = 129897675561. Its totient is φ = 32728076160.

The previous prime is 65458199101. The next prime is 65458199113. The reversal of 65458199104 is 40199185456.

The square root of 65458199104 is 255848.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3874813504 + 61583385600 = 62248^2 + 248160^2 .

It is a super-3 number, since 3×65458199104³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65458199101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2030794 + ... + 2062774.

Almost surely, 2^65458199104 is an apocalyptic number.

65458199104 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

65458199104 is the 255848-th square number.

It is an amenable number.

65458199104 is a deficient number, since it is larger than the sum of its proper divisors (64439476457).

65458199104 is an frugal number, since it uses more digits than its factorization.

65458199104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63974 (or 31983 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 52.

The spelling of 65458199104 in words is "sixty-five billion, four hundred fifty-eight million, one hundred ninety-nine thousand, one hundred four".