2112494690 has 32 divisors (see below), whose sum is σ = 3928296960. Its totient is φ = 817084800.

The previous prime is 2112494677. The next prime is 2112494693. The reversal of 2112494690 is 964942112.

It is a super-2 number, since 2×2112494690² = 8925267630556392200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112494693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 596846 + ... + 600374.

It is an arithmetic number, because the mean of its divisors is an integer number (122759280).

Almost surely, 2^2112494690 is an apocalyptic number.

2112494690 is a deficient number, since it is larger than the sum of its proper divisors (1815802270).

2112494690 is a wasteful number, since it uses less digits than its factorization.

2112494690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5498.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 2112494690 is about 45961.8830119045. The cubic root of 2112494690 is about 1283.1138968524.

The spelling of 2112494690 in words is "two billion, one hundred twelve million, four hundred ninety-four thousand, six hundred ninety".