1497077489 has 6 divisors (see below), whose sum is σ = 1499563314. Its totient is φ = 1494595200.

The previous prime is 1497077479. The next prime is 1497077497. The reversal of 1497077489 is 9847707941.

It can be written as a sum of positive squares in only one way, i.e., 1496142400 + 935089 = 38680^2 + 967^2 .

It is not a de Polignac number, because 1497077489 - 2⁴ = 1497077473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1497077459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 934289 + ... + 935889.

It is an arithmetic number, because the mean of its divisors is an integer number (249927219).

Almost surely, 2^1497077489 is an apocalyptic number.

It is an amenable number.

1497077489 is a deficient number, since it is larger than the sum of its proper divisors (2485825).

1497077489 is an frugal number, since it uses more digits than its factorization.

1497077489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535 (or 2568 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 56.

The square root of 1497077489 is about 38692.0856119181. The cubic root of 1497077489 is about 1143.9703281075.

The spelling of 1497077489 in words is "one billion, four hundred ninety-seven million, seventy-seven thousand, four hundred eighty-nine".