2103781362 has 16 divisors (see below), whose sum is σ = 4235803200. Its totient is φ = 696553712.

The previous prime is 2103781357. The next prime is 2103781367. The reversal of 2103781362 is 2631873012.

It is an interprime number because it is at equal distance from previous prime (2103781357) and next prime (2103781367).

It is a super-3 number, since 3×2103781362³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2103781367) 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 7 ways as a sum of consecutive naturals, for example, 1175718 + ... + 1177505.

It is an arithmetic number, because the mean of its divisors is an integer number (264737700).

Almost surely, 2^2103781362 is an apocalyptic number.

2103781362 is an abundant number, since it is smaller than the sum of its proper divisors (2132021838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2103781362 is a wasteful number, since it uses less digits than its factorization.

2103781362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353377.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2103781362 is about 45866.9964353455. The cubic root of 2103781362 is about 1281.3473284557.

The spelling of 2103781362 in words is "two billion, one hundred three million, seven hundred eighty-one thousand, three hundred sixty-two".