2106626245 has 32 divisors (see below), whose sum is σ = 2664990720. Its totient is φ = 1597090560.

The previous prime is 2106626233. The next prime is 2106626257. The reversal of 2106626245 is 5426266012.

It is an interprime number because it is at equal distance from previous prime (2106626233) and next prime (2106626257).

It is not a de Polignac number, because 2106626245 - 2¹⁵ = 2106593477 is a prime.

It is a super-2 number, since 2×2106626245² = 8875748272245600050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2106626245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 982875 + ... + 985015.

It is an arithmetic number, because the mean of its divisors is an integer number (83280960).

Almost surely, 2^2106626245 is an apocalyptic number.

It is an amenable number.

2106626245 is a deficient number, since it is larger than the sum of its proper divisors (558364475).

2106626245 is a wasteful number, since it uses less digits than its factorization.

2106626245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 2106626245 is about 45897.9982678984. The cubic root of 2106626245 is about 1281.9246446784.

The spelling of 2106626245 in words is "two billion, one hundred six million, six hundred twenty-six thousand, two hundred forty-five".