2049487461 has 72 divisors (see below), whose sum is σ = 3606872640. Its totient is φ = 1126680192.

The previous prime is 2049487439. The next prime is 2049487471. The reversal of 2049487461 is 1647849402.

2049487461 is a `hidden beast` number, since 20 + 4 + 94 + 87 + 461 = 666.

It is not a de Polignac number, because 2049487461 - 2¹⁰ = 2049486437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049487471) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 23027905 + ... + 23027993.

Almost surely, 2^2049487461 is an apocalyptic number.

2049487461 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2049487461 is a deficient number, since it is larger than the sum of its proper divisors (1557385179).

2049487461 is an frugal number, since it uses more digits than its factorization.

2049487461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 2049487461 is about 45271.2652904687. The cubic root of 2049487461 is about 1270.2282147180.

The spelling of 2049487461 in words is "two billion, forty-nine million, four hundred eighty-seven thousand, four hundred sixty-one".