919629214729 has 3 divisors (see below), whose sum is σ = 919630173703. Its totient is φ = 919628255756.

The previous prime is 919629214711. The next prime is 919629214789. The reversal of 919629214729 is 927412926919.

The square root of 919629214729 is 958973.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 768348668025 + 151280546704 = 876555^2 + 388948^2 .

It is not a de Polignac number, because 919629214729 - 2⁵ = 919629214697 is a prime.

It is a super-3 number, since 3×919629214729³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (919629214789) 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 2 ways as a sum of consecutive naturals, for example, 479487 + ... + 1438459.

Almost surely, 2^919629214729 is an apocalyptic number.

919629214729 is the 958973-rd square number.

919629214729 is the 479487-th centered octagonal number.

It is an amenable number.

919629214729 is a deficient number, since it is larger than the sum of its proper divisors (958974).

919629214729 is an frugal number, since it uses more digits than its factorization.

919629214729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917946 (or 958973 counting only the distinct ones).

The product of its digits is 8817984, while the sum is 61.

The spelling of 919629214729 in words is "nine hundred nineteen billion, six hundred twenty-nine million, two hundred fourteen thousand, seven hundred twenty-nine".