39916151033929 has 3 divisors (see below), whose sum is σ = 39916157351853. Its totient is φ = 39916144716006.

The previous prime is 39916151033849. The next prime is 39916151033947. The reversal of 39916151033929 is 92933015161993.

The square root of 39916151033929 is 6317923.

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 is not a de Polignac number, because 39916151033929 - 2⁹ = 39916151033417 is a prime.

It is a super-2 number, since 2×39916151033929² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39916131033929) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3158962 + ... + 9476884.

It is an arithmetic number, because the mean of its divisors is an integer number (13305385783951).

Almost surely, 2^{39916151033929} is an apocalyptic number.

39916151033929 is the 6317923-rd square number.

39916151033929 is the 3158962-nd centered octagonal number.

It is an amenable number.

39916151033929 is a deficient number, since it is larger than the sum of its proper divisors (6317924).

39916151033929 is an frugal number, since it uses more digits than its factorization.

39916151033929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12635846 (or 6317923 counting only the distinct ones).

The product of its (nonzero) digits is 10628820, while the sum is 61.

The spelling of 39916151033929 in words is "thirty-nine trillion, nine hundred sixteen billion, one hundred fifty-one million, thirty-three thousand, nine hundred twenty-nine".