1497117929 has 2 divisors, whose sum is σ = 1497117930. Its totient is φ = 1497117928.

The previous prime is 1497117917. The next prime is 1497117949. The reversal of 1497117929 is 9297117941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1487876329 + 9241600 = 38573^2 + 3040^2 .

It is an emirp because it is prime and its reverse (9297117941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1497117929 - 2¹² = 1497113833 is a prime.

It is a super-3 number, since 3×1497117929³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1497117949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 748558964 + 748558965.

It is an arithmetic number, because the mean of its divisors is an integer number (748558965).

Almost surely, 2^1497117929 is an apocalyptic number.

It is an amenable number.

1497117929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1497117929 is an equidigital number, since it uses as much as digits as its factorization.

1497117929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 50.

The square root of 1497117929 is about 38692.6081958815. The cubic root of 1497117929 is about 1143.9806285638.

The spelling of 1497117929 in words is "one billion, four hundred ninety-seven million, one hundred seventeen thousand, nine hundred twenty-nine".