2102644958 has 16 divisors (see below), whose sum is σ = 3293066880. Its totient is φ = 1005010776.

The previous prime is 2102644919. The next prime is 2102644979. The reversal of 2102644958 is 8594462012.

It is a super-2 number, since 2×2102644958² = 8842231638805643528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 69413 + ... + 94991.

It is an arithmetic number, because the mean of its divisors is an integer number (205816680).

Almost surely, 2^2102644958 is an apocalyptic number.

2102644958 is a deficient number, since it is larger than the sum of its proper divisors (1190421922).

2102644958 is a wasteful number, since it uses less digits than its factorization.

2102644958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27391.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 2102644958 is about 45854.6067260423. The cubic root of 2102644958 is about 1281.1165708746.

The spelling of 2102644958 in words is "two billion, one hundred two million, six hundred forty-four thousand, nine hundred fifty-eight".