1497386853 has 6 divisors (see below), whose sum is σ = 2162892134. Its totient is φ = 998257896.

The previous prime is 1497386851. The next prime is 1497386867. The reversal of 1497386853 is 3586837941.

It can be written as a sum of positive squares in only one way, i.e., 1257198849 + 240188004 = 35457^2 + 15498^2 .

It is not a de Polignac number, because 1497386853 - 2¹ = 1497386851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1497386853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1497386851) 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, 83188150 + ... + 83188167.

Almost surely, 2^1497386853 is an apocalyptic number.

It is an amenable number.

1497386853 is a deficient number, since it is larger than the sum of its proper divisors (665505281).

1497386853 is a wasteful number, since it uses less digits than its factorization.

1497386853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166376323 (or 166376320 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 1497386853 is about 38696.0831738821. The cubic root of 1497386853 is about 1144.0491213707.

The spelling of 1497386853 in words is "one billion, four hundred ninety-seven million, three hundred eighty-six thousand, eight hundred fifty-three".