19970042829 has 16 divisors (see below), whose sum is σ = 29059060224. Its totient is φ = 12098170800.

The previous prime is 19970042821. The next prime is 19970042909. The reversal of 19970042829 is 92824007991.

It is not a de Polignac number, because 19970042829 - 2³ = 19970042821 is a prime.

It is a super-2 number, since 2×19970042829² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19970042821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38287 + ... + 203484.

It is an arithmetic number, because the mean of its divisors is an integer number (1816191264).

Almost surely, 2^19970042829 is an apocalyptic number.

It is an amenable number.

19970042829 is a deficient number, since it is larger than the sum of its proper divisors (9089017395).

19970042829 is a wasteful number, since it uses less digits than its factorization.

19970042829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244288.

The product of its (nonzero) digits is 653184, while the sum is 51.

The spelling of 19970042829 in words is "nineteen billion, nine hundred seventy million, forty-two thousand, eight hundred twenty-nine".