1490469737 has 2 divisors, whose sum is σ = 1490469738. Its totient is φ = 1490469736.

The previous prime is 1490469719. The next prime is 1490469751. The reversal of 1490469737 is 7379640941.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 802928896 + 687540841 = 28336^2 + 26221^2 .

It is a cyclic number.

It is not a de Polignac number, because 1490469737 - 2⁸ = 1490469481 is a prime.

It is not a weakly prime, because it can be changed into another prime (1490469787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 745234868 + 745234869.

It is an arithmetic number, because the mean of its divisors is an integer number (745234869).

Almost surely, 2^1490469737 is an apocalyptic number.

It is an amenable number.

1490469737 is a deficient number, since it is larger than the sum of its proper divisors (1).

1490469737 is an equidigital number, since it uses as much as digits as its factorization.

1490469737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The square root of 1490469737 is about 38606.6022462480. The cubic root of 1490469737 is about 1142.2847727596.

The spelling of 1490469737 in words is "one billion, four hundred ninety million, four hundred sixty-nine thousand, seven hundred thirty-seven".