6381445131452 has 6 divisors (see below), whose sum is σ = 11167528980048. Its totient is φ = 3190722565724.

The previous prime is 6381445131449. The next prime is 6381445131461. The reversal of 6381445131452 is 2541315441836.

It is a super-3 number, since 3×6381445131452³ (a number of 39 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6381445131397 and 6381445131406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 797680641428 + ... + 797680641435.

It is an arithmetic number, because the mean of its divisors is an integer number (1861254830008).

Almost surely, 2^{6381445131452} is an apocalyptic number.

It is an amenable number.

6381445131452 is a deficient number, since it is larger than the sum of its proper divisors (4786083848596).

6381445131452 is a wasteful number, since it uses less digits than its factorization.

6381445131452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595361282867 (or 1595361282865 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 47.

The spelling of 6381445131452 in words is "six trillion, three hundred eighty-one billion, four hundred forty-five million, one hundred thirty-one thousand, four hundred fifty-two".