4921957730 has 16 divisors (see below), whose sum is σ = 9145315584. Its totient is φ = 1905273840.

The previous prime is 4921957721. The next prime is 4921957741. The reversal of 4921957730 is 377591294.

It is a super-3 number, since 3×4921957730³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7938332 + ... + 7938951.

It is an arithmetic number, because the mean of its divisors is an integer number (571582224).

Almost surely, 2^4921957730 is an apocalyptic number.

4921957730 is a deficient number, since it is larger than the sum of its proper divisors (4223357854).

4921957730 is a wasteful number, since it uses less digits than its factorization.

4921957730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15877321.

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 4921957730 is about 70156.6656134683. The cubic root of 4921957730 is about 1701.0325595600.

The spelling of 4921957730 in words is "four billion, nine hundred twenty-one million, nine hundred fifty-seven thousand, seven hundred thirty".