4910517421 has 2 divisors, whose sum is σ = 4910517422. Its totient is φ = 4910517420.

The previous prime is 4910517413. The next prime is 4910517449. The reversal of 4910517421 is 1247150194.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3530023396 + 1380494025 = 59414^2 + 37155^2 .

It is a cyclic number.

It is not a de Polignac number, because 4910517421 - 2³ = 4910517413 is a prime.

It is a super-2 number, since 2×4910517421² = 48226362683888982482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4910518421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2455258710 + 2455258711.

It is an arithmetic number, because the mean of its divisors is an integer number (2455258711).

Almost surely, 2^4910517421 is an apocalyptic number.

It is an amenable number.

4910517421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4910517421 is an equidigital number, since it uses as much as digits as its factorization.

4910517421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 4910517421 is about 70075.0841669134. The cubic root of 4910517421 is about 1699.7136104644.

The spelling of 4910517421 in words is "four billion, nine hundred ten million, five hundred seventeen thousand, four hundred twenty-one".