1027641962985 has 24 divisors (see below), whose sum is σ = 1807290992640. Its totient is φ = 498250647840.

The previous prime is 1027641962917. The next prime is 1027641962989. The reversal of 1027641962985 is 5892691467201.

It is not a de Polignac number, because 1027641962985 - 2¹⁰ = 1027641961961 is a prime.

It is a super-2 number, since 2×1027641962985² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1027641962989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 283095145 + ... + 283098774.

It is an arithmetic number, because the mean of its divisors is an integer number (75303791360).

Almost surely, 2^{1027641962985} is an apocalyptic number.

1027641962985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1027641962985 is a deficient number, since it is larger than the sum of its proper divisors (779649029655).

1027641962985 is a wasteful number, since it uses less digits than its factorization.

1027641962985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566193949 (or 566193938 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 1027641962985 in words is "one trillion, twenty-seven billion, six hundred forty-one million, nine hundred sixty-two thousand, nine hundred eighty-five".