2011913146 has 4 divisors (see below), whose sum is σ = 3017869722. Its totient is φ = 1005956572.

The previous prime is 2011913143. The next prime is 2011913149. The reversal of 2011913146 is 6413191102.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2011913143) and next prime (2011913149).

It can be written as a sum of positive squares in only one way, i.e., 1630140625 + 381772521 = 40375^2 + 19539^2 .

It is not an unprimeable number, because it can be changed into a prime (2011913143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502978285 + ... + 502978288.

Almost surely, 2^2011913146 is an apocalyptic number.

2011913146 is a deficient number, since it is larger than the sum of its proper divisors (1005956576).

2011913146 is a wasteful number, since it uses less digits than its factorization.

2011913146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005956575.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 2011913146 is about 44854.3548164501. The cubic root of 2011913146 is about 1262.4177031739.

The spelling of 2011913146 in words is "two billion, eleven million, nine hundred thirteen thousand, one hundred forty-six".