2115649070 has 16 divisors (see below), whose sum is σ = 3889194048. Its totient is φ = 828253920.

The previous prime is 2115649057. The next prime is 2115649111. The reversal of 2115649070 is 709465112.

It is a self number, because there is not a number n which added to its sum of digits gives 2115649070.

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, 2250221 + ... + 2251160.

It is an arithmetic number, because the mean of its divisors is an integer number (243074628).

Almost surely, 2^2115649070 is an apocalyptic number.

2115649070 is a deficient number, since it is larger than the sum of its proper divisors (1773544978).

2115649070 is a wasteful number, since it uses less digits than its factorization.

2115649070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4501435.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 2115649070 is about 45996.1853853121. The cubic root of 2115649070 is about 1283.7522283884.

The spelling of 2115649070 in words is "two billion, one hundred fifteen million, six hundred forty-nine thousand, seventy".