1490795437 has 2 divisors, whose sum is σ = 1490795438. Its totient is φ = 1490795436.

The previous prime is 1490795419. The next prime is 1490795447. The reversal of 1490795437 is 7345970941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1479633156 + 11162281 = 38466^2 + 3341^2 .

It is a cyclic number.

It is not a de Polignac number, because 1490795437 - 2²⁷ = 1356577709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1490795447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 745397718 + 745397719.

It is an arithmetic number, because the mean of its divisors is an integer number (745397719).

Almost surely, 2^1490795437 is an apocalyptic number.

It is an amenable number.

1490795437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1490795437 is an equidigital number, since it uses as much as digits as its factorization.

1490795437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 952560, while the sum is 49.

The square root of 1490795437 is about 38610.8202062582. The cubic root of 1490795437 is about 1142.3679713747.

The spelling of 1490795437 in words is "one billion, four hundred ninety million, seven hundred ninety-five thousand, four hundred thirty-seven".