1475097649 has 9 divisors (see below), whose sum is σ = 1490268843. Its totient is φ = 1460080512.

The previous prime is 1475097647. The next prime is 1475097683. The reversal of 1475097649 is 9467905741.

The square root of 1475097649 is 38407.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 357399025 + 1117698624 = 18905^2 + 33432^2 .

It is not a de Polignac number, because 1475097649 - 2¹ = 1475097647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1475097596 and 1475097605.

It is not an unprimeable number, because it can be changed into a prime (1475097647) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7412452 + ... + 7412650.

It is an arithmetic number, because the mean of its divisors is an integer number (165585427).

Almost surely, 2^1475097649 is an apocalyptic number.

1475097649 is the 38407-th square number.

1475097649 is the 19204-th centered octagonal number.

It is an amenable number.

1475097649 is a deficient number, since it is larger than the sum of its proper divisors (15171194).

1475097649 is an frugal number, since it uses more digits than its factorization.

1475097649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 52.

The cubic root of 1475097649 is about 1138.3441768631.

The spelling of 1475097649 in words is "one billion, four hundred seventy-five million, ninety-seven thousand, six hundred forty-nine".