65479625990 has 8 divisors (see below), whose sum is σ = 117863326800. Its totient is φ = 26191850392.

The previous prime is 65479625987. The next prime is 65479625993. The reversal of 65479625990 is 9952697456.

It is an interprime number because it is at equal distance from previous prime (65479625987) and next prime (65479625993).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65479625993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3273981290 + ... + 3273981309.

It is an arithmetic number, because the mean of its divisors is an integer number (14732915850).

Almost surely, 2^65479625990 is an apocalyptic number.

65479625990 is a deficient number, since it is larger than the sum of its proper divisors (52383700810).

65479625990 is a wasteful number, since it uses less digits than its factorization.

65479625990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6547962606.

The product of its (nonzero) digits is 36741600, while the sum is 62.

The spelling of 65479625990 in words is "sixty-five billion, four hundred seventy-nine million, six hundred twenty-five thousand, nine hundred ninety".