1497109647 has 24 divisors (see below), whose sum is σ = 2209970560. Its totient is φ = 900781200.

The previous prime is 1497109633. The next prime is 1497109667. The reversal of 1497109647 is 7469017941.

It is not a de Polignac number, because 1497109647 - 2¹⁹ = 1496585359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1497109596 and 1497109605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1497109667) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35622 + ... + 65292.

Almost surely, 2^1497109647 is an apocalyptic number.

1497109647 is a deficient number, since it is larger than the sum of its proper divisors (712860913).

1497109647 is a wasteful number, since it uses less digits than its factorization.

1497109647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29835 (or 29824 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 1497109647 is about 38692.5011727079. The cubic root of 1497109647 is about 1143.9785190740.

The spelling of 1497109647 in words is "one billion, four hundred ninety-seven million, one hundred nine thousand, six hundred forty-seven".