1489967077 has 2 divisors, whose sum is σ = 1489967078. Its totient is φ = 1489967076.

The previous prime is 1489967053. The next prime is 1489967119. The reversal of 1489967077 is 7707699841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1298449156 + 191517921 = 36034^2 + 13839^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1489967077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1489967027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744983538 + 744983539.

It is an arithmetic number, because the mean of its divisors is an integer number (744983539).

Almost surely, 2^1489967077 is an apocalyptic number.

It is an amenable number.

1489967077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1489967077 is an equidigital number, since it uses as much as digits as its factorization.

1489967077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5334336, while the sum is 58.

The square root of 1489967077 is about 38600.0916708756. The cubic root of 1489967077 is about 1142.1563467095.

The spelling of 1489967077 in words is "one billion, four hundred eighty-nine million, nine hundred sixty-seven thousand, seventy-seven".