6489363033780 has 96 divisors (see below), whose sum is σ = 20683882856448. Its totient is φ = 1504779830400.

The previous prime is 6489363033763. The next prime is 6489363033787. The reversal of 6489363033780 is 873303639846.

It is a super-2 number, since 2×6489363033780² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6489363033787) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213731956 + ... + 213762315.

It is an arithmetic number, because the mean of its divisors is an integer number (215457113088).

Almost surely, 2^{6489363033780} is an apocalyptic number.

6489363033780 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6489363033780 is an abundant number, since it is smaller than the sum of its proper divisors (14194519822668).

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

6489363033780 is a wasteful number, since it uses less digits than its factorization.

6489363033780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427494317 (or 427494315 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 60.

The spelling of 6489363033780 in words is "six trillion, four hundred eighty-nine billion, three hundred sixty-three million, thirty-three thousand, seven hundred eighty".