4921873951 has 8 divisors (see below), whose sum is σ = 4962539520. Its totient is φ = 4881238488.

The previous prime is 4921873927. The next prime is 4921873973. The reversal of 4921873951 is 1593781294.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4921873951 - 2³¹ = 2774390303 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4921873895 and 4921873904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4921873921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419280 + ... + 430858.

It is an arithmetic number, because the mean of its divisors is an integer number (620317440).

Almost surely, 2^4921873951 is an apocalyptic number.

4921873951 is a deficient number, since it is larger than the sum of its proper divisors (40665569).

4921873951 is a wasteful number, since it uses less digits than its factorization.

4921873951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15053.

The product of its digits is 544320, while the sum is 49.

The square root of 4921873951 is about 70156.0685258232. The cubic root of 4921873951 is about 1701.0229081419.

The spelling of 4921873951 in words is "four billion, nine hundred twenty-one million, eight hundred seventy-three thousand, nine hundred fifty-one".