19629053381534 has 32 divisors (see below), whose sum is σ = 30346659072000. Its totient is φ = 9518191154784.

The previous prime is 19629053381467. The next prime is 19629053381621. The reversal of 19629053381534 is 43518335092691.

It is a super-2 number, since 2×19629053381534² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10439627 + ... + 12175545.

It is an arithmetic number, because the mean of its divisors is an integer number (948333096000).

Almost surely, 2^{19629053381534} is an apocalyptic number.

19629053381534 is a deficient number, since it is larger than the sum of its proper divisors (10717605690466).

19629053381534 is a wasteful number, since it uses less digits than its factorization.

19629053381534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737272.

The product of its (nonzero) digits is 20995200, while the sum is 59.

The spelling of 19629053381534 in words is "nineteen trillion, six hundred twenty-nine billion, fifty-three million, three hundred eighty-one thousand, five hundred thirty-four".