1490035433021 has 2 divisors, whose sum is σ = 1490035433022. Its totient is φ = 1490035433020.

The previous prime is 1490035433011. The next prime is 1490035433041. The reversal of 1490035433021 is 1203345300941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1360514620921 + 129520812100 = 1166411^2 + 359890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1490035433021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1490035433011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 745017716510 + 745017716511.

It is an arithmetic number, because the mean of its divisors is an integer number (745017716511).

Almost surely, 2^{1490035433021} is an apocalyptic number.

It is an amenable number.

1490035433021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1490035433021 is an equidigital number, since it uses as much as digits as its factorization.

1490035433021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 1490035433021 in words is "one trillion, four hundred ninety billion, thirty-five million, four hundred thirty-three thousand, twenty-one".