2105774402 has 16 divisors (see below), whose sum is σ = 3168634560. Its totient is φ = 1049569488.

The previous prime is 2105774401. The next prime is 2105774431. The reversal of 2105774402 is 2044775012.

It is not an unprimeable number, because it can be changed into a prime (2105774401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1204493 + ... + 1206239.

It is an arithmetic number, because the mean of its divisors is an integer number (198039660).

Almost surely, 2^2105774402 is an apocalyptic number.

2105774402 is a deficient number, since it is larger than the sum of its proper divisors (1062860158).

2105774402 is a wasteful number, since it uses less digits than its factorization.

2105774402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 2105774402 is about 45888.7175894032. The cubic root of 2105774402 is about 1281.7518334897.

It can be divided in two parts, 21057 and 74402, that added together give a palindrome (95459).

The spelling of 2105774402 in words is "two billion, one hundred five million, seven hundred seventy-four thousand, four hundred two".