39629742621163 has 4 divisors (see below), whose sum is σ = 39632500638360. Its totient is φ = 39626984603968.

The previous prime is 39629742621127. The next prime is 39629742621191. The reversal of 39629742621163 is 36112624792693.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 39629742621163 - 2⁹ = 39629742620651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39629742621463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1378987045 + ... + 1379015782.

It is an arithmetic number, because the mean of its divisors is an integer number (9908125159590).

Almost surely, 2^{39629742621163} is an apocalyptic number.

39629742621163 is a deficient number, since it is larger than the sum of its proper divisors (2758017197).

39629742621163 is a wasteful number, since it uses less digits than its factorization.

39629742621163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2758017196.

The product of its digits is 35271936, while the sum is 61.

The spelling of 39629742621163 in words is "thirty-nine trillion, six hundred twenty-nine billion, seven hundred forty-two million, six hundred twenty-one thousand, one hundred sixty-three".