2049645246 has 16 divisors (see below), whose sum is σ = 4471953408. Its totient is φ = 621104600.

The previous prime is 2049645233. The next prime is 2049645251. The reversal of 2049645246 is 6425469402.

It is a junction number, because it is equal to n+sod(n) for n = 2049645198 and 2049645207.

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, 15527550 + ... + 15527681.

It is an arithmetic number, because the mean of its divisors is an integer number (279497088).

Almost surely, 2^2049645246 is an apocalyptic number.

2049645246 is an abundant number, since it is smaller than the sum of its proper divisors (2422308162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2049645246 is a wasteful number, since it uses less digits than its factorization.

2049645246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31055247.

The product of its (nonzero) digits is 414720, while the sum is 42.

The square root of 2049645246 is about 45273.0079186263. The cubic root of 2049645246 is about 1270.2608111304.

The spelling of 2049645246 in words is "two billion, forty-nine million, six hundred forty-five thousand, two hundred forty-six".