65238892970 has 8 divisors (see below), whose sum is σ = 117430007364. Its totient is φ = 26095557184.

The previous prime is 65238892969. The next prime is 65238892987. The reversal of 65238892970 is 7929883256.

It can be written as a sum of positive squares in 2 ways, for example, as 61331017801 + 3907875169 = 247651^2 + 62513^2 .

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

It is a super-2 number, since 2×65238892970² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3261944639 + ... + 3261944658.

Almost surely, 2^65238892970 is an apocalyptic number.

65238892970 is a deficient number, since it is larger than the sum of its proper divisors (52191114394).

65238892970 is a wasteful number, since it uses less digits than its factorization.

65238892970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6523889304.

The product of its (nonzero) digits is 13063680, while the sum is 59.

The spelling of 65238892970 in words is "sixty-five billion, two hundred thirty-eight million, eight hundred ninety-two thousand, nine hundred seventy".