4490986531 has 2 divisors, whose sum is σ = 4490986532. Its totient is φ = 4490986530.

The previous prime is 4490986517. The next prime is 4490986579. The reversal of 4490986531 is 1356890944.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4490986531 - 2⁷ = 4490986403 is a prime.

It is a super-2 number, since 2×4490986531² = 40337920043246827922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4490980531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2245493265 + 2245493266.

It is an arithmetic number, because the mean of its divisors is an integer number (2245493266).

Almost surely, 2^4490986531 is an apocalyptic number.

4490986531 is a deficient number, since it is larger than the sum of its proper divisors (1).

4490986531 is an equidigital number, since it uses as much as digits as its factorization.

4490986531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 4490986531 is about 67014.8232184492. The cubic root of 4490986531 is about 1649.8605980790.

The spelling of 4490986531 in words is "four billion, four hundred ninety million, nine hundred eighty-six thousand, five hundred thirty-one".