1497987509929 has 27 divisors (see below), whose sum is σ = 1625796327141. Its totient is φ = 1379997660960.

The previous prime is 1497987509923. The next prime is 1497987509959. The reversal of 1497987509929 is 9299057897941.

The square root of 1497987509929 is 1223923.

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

It can be written as a sum of positive squares in 4 ways, for example, as 127795525225 + 1370191984704 = 357485^2 + 1170552^2 .

It is not a de Polignac number, because 1497987509929 - 2¹⁷ = 1497987378857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1497987509923) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 860416999 + ... + 860418739.

It is an arithmetic number, because the mean of its divisors is an integer number (60214678783).

Almost surely, 2^{1497987509929} is an apocalyptic number.

1497987509929 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1497987509929 is the 1223923-rd square number.

1497987509929 is the 611962-nd centered octagonal number.

It is an amenable number.

1497987509929 is a deficient number, since it is larger than the sum of its proper divisors (127808817212).

1497987509929 is an frugal number, since it uses more digits than its factorization.

1497987509929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3594 (or 1797 counting only the distinct ones).

The product of its (nonzero) digits is 925888320, while the sum is 79.

The spelling of 1497987509929 in words is "one trillion, four hundred ninety-seven billion, nine hundred eighty-seven million, five hundred nine thousand, nine hundred twenty-nine".