2953742648 has 8 divisors (see below), whose sum is σ = 5538267480. Its totient is φ = 1476871320.

The previous prime is 2953742647. The next prime is 2953742653. The reversal of 2953742648 is 8462473592.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2953742648² = 17449191261228103808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2953742596 and 2953742605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2953742647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184608908 + ... + 184608923.

It is an arithmetic number, because the mean of its divisors is an integer number (692283435).

Almost surely, 2^2953742648 is an apocalyptic number.

It is an amenable number.

2953742648 is a deficient number, since it is larger than the sum of its proper divisors (2584524832).

2953742648 is a wasteful number, since it uses less digits than its factorization.

2953742648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369217837 (or 369217833 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 50.

The square root of 2953742648 is about 54348.3454025971. The cubic root of 2953742648 is about 1434.7984028048.

The spelling of 2953742648 in words is "two billion, nine hundred fifty-three million, seven hundred forty-two thousand, six hundred forty-eight".