65462485890 has 32 divisors (see below), whose sum is σ = 157121482176. Its totient is φ = 17455383360.

The previous prime is 65462485873. The next prime is 65462485961. The reversal of 65462485890 is 9858426456.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 65462485890.

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, 379389 + ... + 524271.

It is an arithmetic number, because the mean of its divisors is an integer number (4910046318).

Almost surely, 2^65462485890 is an apocalyptic number.

65462485890 is an abundant number, since it is smaller than the sum of its proper divisors (91658996286).

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

65462485890 is a wasteful number, since it uses less digits than its factorization.

65462485890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159954.

The product of its (nonzero) digits is 16588800, while the sum is 57.

The spelling of 65462485890 in words is "sixty-five billion, four hundred sixty-two million, four hundred eighty-five thousand, eight hundred ninety".