4921839454 has 8 divisors (see below), whose sum is σ = 8437439088. Its totient is φ = 2109359760.

The previous prime is 4921839451. The next prime is 4921839457. The reversal of 4921839454 is 4549381294.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4921839451) and next prime (4921839457).

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

It is a super-2 number, since 2×4921839454² = 48449007221902036232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4921839398 and 4921839407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4921839451) 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 3 ways as a sum of consecutive naturals, for example, 175779967 + ... + 175779994.

It is an arithmetic number, because the mean of its divisors is an integer number (1054679886).

Almost surely, 2^4921839454 is an apocalyptic number.

4921839454 is a deficient number, since it is larger than the sum of its proper divisors (3515599634).

4921839454 is a wasteful number, since it uses less digits than its factorization.

4921839454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351559970.

The product of its digits is 1244160, while the sum is 49.

The square root of 4921839454 is about 70155.8226664045. The cubic root of 4921839454 is about 1701.0189340238.

The spelling of 4921839454 in words is "four billion, nine hundred twenty-one million, eight hundred thirty-nine thousand, four hundred fifty-four".