6453769505872 has 80 divisors (see below), whose sum is σ = 13504825635840. Its totient is φ = 2970093090816.

The previous prime is 6453769505851. The next prime is 6453769505927. The reversal of 6453769505872 is 2785059673546.

It is a super-2 number, since 2×6453769505872² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6453769505798 and 6453769505807.

It is a congruent number.

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, 129197733 + ... + 129247675.

It is an arithmetic number, because the mean of its divisors is an integer number (168810320448).

Almost surely, 2^{6453769505872} is an apocalyptic number.

It is an amenable number.

6453769505872 is an abundant number, since it is smaller than the sum of its proper divisors (7051056129968).

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

6453769505872 is a wasteful number, since it uses less digits than its factorization.

6453769505872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51740 (or 51734 counting only the distinct ones).

The product of its (nonzero) digits is 381024000, while the sum is 67.

The spelling of 6453769505872 in words is "six trillion, four hundred fifty-three billion, seven hundred sixty-nine million, five hundred five thousand, eight hundred seventy-two".