64025284049020 has 72 divisors (see below), whose sum is σ = 159355653204384. Its totient is φ = 21537346207104.

The previous prime is 64025284049011. The next prime is 64025284049029. The reversal of 64025284049020 is 2094048252046.

It is an interprime number because it is at equal distance from previous prime (64025284049011) and next prime (64025284049029).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64025284049029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 616286952 + ... + 616390831.

It is an arithmetic number, because the mean of its divisors is an integer number (2213272961172).

Almost surely, 2^{64025284049020} is an apocalyptic number.

It is an amenable number.

64025284049020 is an abundant number, since it is smaller than the sum of its proper divisors (95330369155364).

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

64025284049020 is a wasteful number, since it uses less digits than its factorization.

64025284049020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232677859 (or 1232677850 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 46.

The spelling of 64025284049020 in words is "sixty-four trillion, twenty-five billion, two hundred eighty-four million, forty-nine thousand, twenty".