3612011949 has 48 divisors (see below), whose sum is σ = 6450476032. Its totient is φ = 1896597504.

The previous prime is 3612011941. The next prime is 3612012017. The reversal of 3612011949 is 9491102163.

It is a happy number.

3612011949 is a `hidden beast` number, since 361 + 201 + 1 + 94 + 9 = 666.

It is not a de Polignac number, because 3612011949 - 2³ = 3612011941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3612011941) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 172749 + ... + 192525.

Almost surely, 2^3612011949 is an apocalyptic number.

3612011949 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3612011949 is a deficient number, since it is larger than the sum of its proper divisors (2838464083).

3612011949 is a wasteful number, since it uses less digits than its factorization.

3612011949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20026 (or 20023 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 3612011949 is about 60100.0162146401. The cubic root of 3612011949 is about 1534.3215779239.

The spelling of 3612011949 in words is "three billion, six hundred twelve million, eleven thousand, nine hundred forty-nine".