4890526481 has 4 divisors (see below), whose sum is σ = 4910819364. Its totient is φ = 4870233600.

The previous prime is 4890526477. The next prime is 4890526499. The reversal of 4890526481 is 1846250984.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4387870081 + 502656400 = 66241^2 + 22420^2 .

It is a cyclic number.

It is not a de Polignac number, because 4890526481 - 2² = 4890526477 is a prime.

It is a super-2 number, since 2×4890526481² = 47834498522724486722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4890526411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10146080 + ... + 10146561.

It is an arithmetic number, because the mean of its divisors is an integer number (1227704841).

Almost surely, 2^4890526481 is an apocalyptic number.

It is an amenable number.

4890526481 is a deficient number, since it is larger than the sum of its proper divisors (20292883).

4890526481 is a wasteful number, since it uses less digits than its factorization.

4890526481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20292882.

The product of its (nonzero) digits is 552960, while the sum is 47.

The square root of 4890526481 is about 69932.2992686498. The cubic root of 4890526481 is about 1697.4039361944.

The spelling of 4890526481 in words is "four billion, eight hundred ninety million, five hundred twenty-six thousand, four hundred eighty-one".