2106639062 has 16 divisors (see below), whose sum is σ = 3448785600. Its totient is φ = 957130440.

The previous prime is 2106638983. The next prime is 2106639077. The reversal of 2106639062 is 2609366012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30989 + ... + 71927.

It is an arithmetic number, because the mean of its divisors is an integer number (215549100).

Almost surely, 2^2106639062 is an apocalyptic number.

2106639062 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2106639062 is a deficient number, since it is larger than the sum of its proper divisors (1342146538).

2106639062 is a wasteful number, since it uses less digits than its factorization.

2106639062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43291.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 2106639062 is about 45898.1378925115. The cubic root of 2106639062 is about 1281.9272444743.

The spelling of 2106639062 in words is "two billion, one hundred six million, six hundred thirty-nine thousand, sixty-two".