39420762429819 has 16 divisors (see below), whose sum is σ = 54386232652800. Its totient is φ = 25368325821216.

The previous prime is 39420762429817. The next prime is 39420762429821. The reversal of 39420762429819 is 91892426702493.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (39420762429817) and next prime (39420762429821).

It is not a de Polignac number, because 39420762429819 - 2¹ = 39420762429817 is a prime.

It is a super-2 number, since 2×39420762429819² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 39420762429819.

It is not an unprimeable number, because it can be changed into a prime (39420762429817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52824139 + ... + 53565204.

It is an arithmetic number, because the mean of its divisors is an integer number (3399139540800).

Almost surely, 2^{39420762429819} is an apocalyptic number.

39420762429819 is a deficient number, since it is larger than the sum of its proper divisors (14965470222981).

39420762429819 is a wasteful number, since it uses less digits than its factorization.

39420762429819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106393634.

The product of its (nonzero) digits is 94058496, while the sum is 66.

The spelling of 39420762429819 in words is "thirty-nine trillion, four hundred twenty billion, seven hundred sixty-two million, four hundred twenty-nine thousand, eight hundred nineteen".