2100386451 has 16 divisors (see below), whose sum is σ = 2898662400. Its totient is φ = 1351236768.

The previous prime is 2100386423. The next prime is 2100386461. The reversal of 2100386451 is 1546830012.

It is not a de Polignac number, because 2100386451 - 2⁵ = 2100386419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2100386401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186540 + ... + 197478.

It is an arithmetic number, because the mean of its divisors is an integer number (181166400).

Almost surely, 2^2100386451 is an apocalyptic number.

2100386451 is a deficient number, since it is larger than the sum of its proper divisors (798275949).

2100386451 is a wasteful number, since it uses less digits than its factorization.

2100386451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13178.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2100386451 is about 45829.9732816854. The cubic root of 2100386451 is about 1280.6577127248.

The spelling of 2100386451 in words is "two billion, one hundred million, three hundred eighty-six thousand, four hundred fifty-one".