2949463872 has 42 divisors (see below), whose sum is σ = 8454107298. Its totient is φ = 983154432.

The previous prime is 2949463871. The next prime is 2949463873. The reversal of 2949463872 is 2783649492.

2949463872 is a `hidden beast` number, since 29 + 494 + 63 + 8 + 72 = 666.

It is an interprime number because it is at equal distance from previous prime (2949463871) and next prime (2949463873).

It can be written as a sum of positive squares in only one way, i.e., 2586332736 + 363131136 = 50856^2 + 19056^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2949463871) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2559723 + ... + 2560874.

It is an arithmetic number, because the mean of its divisors is an integer number (201288269).

Almost surely, 2^2949463872 is an apocalyptic number.

It is an amenable number.

2949463872 is an abundant number, since it is smaller than the sum of its proper divisors (5504643426).

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

2949463872 is a wasteful number, since it uses less digits than its factorization.

2949463872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5120615 (or 5120602 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 2949463872 is about 54308.9667734528. The cubic root of 2949463872 is about 1434.1052542036.

The spelling of 2949463872 in words is "two billion, nine hundred forty-nine million, four hundred sixty-three thousand, eight hundred seventy-two".