2947916949 has 8 divisors (see below), whose sum is σ = 3931067040. Its totient is φ = 1965022416.

The previous prime is 2947916941. The next prime is 2947916963. The reversal of 2947916949 is 9496197492.

It is a happy number.

2947916949 is nontrivially palindromic in base 13.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2947916949 - 2³ = 2947916941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2947916892 and 2947916901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2947916941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35122 + ... + 84435.

It is an arithmetic number, because the mean of its divisors is an integer number (491383380).

Almost surely, 2^2947916949 is an apocalyptic number.

It is an amenable number.

2947916949 is a deficient number, since it is larger than the sum of its proper divisors (983150091).

2947916949 is a wasteful number, since it uses less digits than its factorization.

2947916949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127779.

The product of its digits is 8817984, while the sum is 60.

The square root of 2947916949 is about 54294.7230308803. The cubic root of 2947916949 is about 1433.8544924321.

The spelling of 2947916949 in words is "two billion, nine hundred forty-seven million, nine hundred sixteen thousand, nine hundred forty-nine".