4951963281 has 8 divisors (see below), whose sum is σ = 6815605504. Its totient is φ = 3194814960.

The previous prime is 4951963277. The next prime is 4951963301. The reversal of 4951963281 is 1823691594.

4951963281 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4951963281 - 2² = 4951963277 is a prime.

It is a super-2 number, since 2×4951963281² = 49043880672744569922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4951963281.

It is not an unprimeable number, because it can be changed into a prime (4951963271) 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, 26623366 + ... + 26623551.

It is an arithmetic number, because the mean of its divisors is an integer number (851950688).

Almost surely, 2^4951963281 is an apocalyptic number.

It is an amenable number.

4951963281 is a deficient number, since it is larger than the sum of its proper divisors (1863642223).

4951963281 is a wasteful number, since it uses less digits than its factorization.

4951963281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53246951.

The product of its digits is 466560, while the sum is 48.

The square root of 4951963281 is about 70370.1874446843. The cubic root of 4951963281 is about 1704.4822065807.

The spelling of 4951963281 in words is "four billion, nine hundred fifty-one million, nine hundred sixty-three thousand, two hundred eighty-one".