2100512459486 has 24 divisors (see below), whose sum is σ = 3666469584600. Its totient is φ = 899902861872.

The previous prime is 2100512459453. The next prime is 2100512459489. The reversal of 2100512459486 is 6849542150012.

It is a self number, because there is not a number n which added to its sum of digits gives 2100512459486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100512459489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3490961 + ... + 4048188.

It is an arithmetic number, because the mean of its divisors is an integer number (152769566025).

Almost surely, 2^{2100512459486} is an apocalyptic number.

2100512459486 is a deficient number, since it is larger than the sum of its proper divisors (1565957125114).

2100512459486 is a wasteful number, since it uses less digits than its factorization.

2100512459486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7542008 (or 7542001 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 2100512459486 in words is "two trillion, one hundred billion, five hundred twelve million, four hundred fifty-nine thousand, four hundred eighty-six".