2100512459487 has 64 divisors (see below), whose sum is σ = 3144240529920. Its totient is φ = 1238857728000.

The previous prime is 2100512459453. The next prime is 2100512459489. The reversal of 2100512459487 is 7849542150012.

2100512459487 is an astonishing number since 2100512459487 = 459487 + ... + 2100512.

It is not a de Polignac number, because 2100512459487 - 2¹⁹ = 2100511935199 is a prime.

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 polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 151032988 + ... + 151046894.

It is an arithmetic number, because the mean of its divisors is an integer number (49128758280).

Almost surely, 2^{2100512459487} is an apocalyptic number.

2100512459487 is a deficient number, since it is larger than the sum of its proper divisors (1043728070433).

2100512459487 is a wasteful number, since it uses less digits than its factorization.

2100512459487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15624.

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 2100512459487 in words is "two trillion, one hundred billion, five hundred twelve million, four hundred fifty-nine thousand, four hundred eighty-seven".