6267809983981 has 96 divisors (see below), whose sum is σ = 8364674814720. Its totient is φ = 4641786777600.

The previous prime is 6267809983961. The next prime is 6267809983991. The reversal of 6267809983981 is 1893899087626.

It is not a de Polignac number, because 6267809983981 - 2²³ = 6267801595373 is a prime.

It is a super-2 number, since 2×6267809983981² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6267809983898 and 6267809983907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6267809983921) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 740784091 + ... + 740792551.

It is an arithmetic number, because the mean of its divisors is an integer number (87132029320).

Almost surely, 2^{6267809983981} is an apocalyptic number.

It is an amenable number.

6267809983981 is a deficient number, since it is larger than the sum of its proper divisors (2096864830739).

6267809983981 is a wasteful number, since it uses less digits than its factorization.

6267809983981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9235 (or 9228 counting only the distinct ones).

The product of its (nonzero) digits is 564350976, while the sum is 76.

The spelling of 6267809983981 in words is "six trillion, two hundred sixty-seven billion, eight hundred nine million, nine hundred eighty-three thousand, nine hundred eighty-one".