283964644385380 has 48 divisors (see below), whose sum is σ = 681748783140096. Its totient is φ = 97325929987200.

The previous prime is 283964644385377. The next prime is 283964644385381. The reversal of 283964644385380 is 83583446469382.

It is a Smith number, since the sum of its digits (73) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (283964644385381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347263696 + ... + 348080455.

It is an arithmetic number, because the mean of its divisors is an integer number (14203099648752).

Almost surely, 2^{283964644385380} is an apocalyptic number.

283964644385380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

283964644385380 is an abundant number, since it is smaller than the sum of its proper divisors (397784138754716).

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

283964644385380 is a wasteful number, since it uses less digits than its factorization.

283964644385380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695347084 (or 695347082 counting only the distinct ones).

The product of its (nonzero) digits is 2866544640, while the sum is 73.

The spelling of 283964644385380 in words is "two hundred eighty-three trillion, nine hundred sixty-four billion, six hundred forty-four million, three hundred eighty-five thousand, three hundred eighty".