4945920641 has 8 divisors (see below), whose sum is σ = 5007585024. Its totient is φ = 4884518880.

The previous prime is 4945920631. The next prime is 4945920643. The reversal of 4945920641 is 1460295494.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4945920641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4945920592 and 4945920601.

It is not an unprimeable number, because it can be changed into a prime (4945920643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27620 + ... + 103221.

It is an arithmetic number, because the mean of its divisors is an integer number (625948128).

Almost surely, 2^4945920641 is an apocalyptic number.

It is an amenable number.

4945920641 is a deficient number, since it is larger than the sum of its proper divisors (61664383).

4945920641 is a wasteful number, since it uses less digits than its factorization.

4945920641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131311.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 4945920641 is about 70327.2396799419. The cubic root of 4945920641 is about 1703.7886254713.

The spelling of 4945920641 in words is "four billion, nine hundred forty-five million, nine hundred twenty thousand, six hundred forty-one".