1497725669 has 4 divisors (see below), whose sum is σ = 1633882560. Its totient is φ = 1361568780.

The previous prime is 1497725659. The next prime is 1497725683. The reversal of 1497725669 is 9665277941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1497725669 - 2²⁴ = 1480948453 is a prime.

It is a super-2 number, since 2×1497725669² = 4486364359162995122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1497725609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68078429 + ... + 68078450.

It is an arithmetic number, because the mean of its divisors is an integer number (408470640).

Almost surely, 2^1497725669 is an apocalyptic number.

It is an amenable number.

1497725669 is a deficient number, since it is larger than the sum of its proper divisors (136156891).

1497725669 is a wasteful number, since it uses less digits than its factorization.

1497725669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136156890.

The product of its digits is 5715360, while the sum is 56.

The square root of 1497725669 is about 38700.4608370495. The cubic root of 1497725669 is about 1144.1354034414.

The spelling of 1497725669 in words is "one billion, four hundred ninety-seven million, seven hundred twenty-five thousand, six hundred sixty-nine".