2103986906547 has 16 divisors (see below), whose sum is σ = 2927322359808. Its totient is φ = 1341656205120.

The previous prime is 2103986906503. The next prime is 2103986906551. The reversal of 2103986906547 is 7456096893012.

It is not a de Polignac number, because 2103986906547 - 2⁸ = 2103986906291 is a prime.

It is a super-2 number, since 2×2103986906547² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2103986905547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7956222 + ... + 8216412.

It is an arithmetic number, because the mean of its divisors is an integer number (182957647488).

It is a 1-persistent number, because it is pandigital, but 2⋅2103986906547 = 4207973813094 is not.

Almost surely, 2^{2103986906547} is an apocalyptic number.

2103986906547 is a deficient number, since it is larger than the sum of its proper divisors (823335453261).

2103986906547 is a wasteful number, since it uses less digits than its factorization.

2103986906547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377410.

The product of its (nonzero) digits is 19595520, while the sum is 60.

The spelling of 2103986906547 in words is "two trillion, one hundred three billion, nine hundred eighty-six million, nine hundred six thousand, five hundred forty-seven".