19429696860436 has 24 divisors (see below), whose sum is σ = 34019489528640. Its totient is φ = 9709844005632.

The previous prime is 19429696860407. The next prime is 19429696860451. The reversal of 19429696860436 is 63406869692491.

It is a super-2 number, since 2×19429696860436² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61290756 + ... + 61606948.

It is an arithmetic number, because the mean of its divisors is an integer number (1417478730360).

Almost surely, 2^{19429696860436} is an apocalyptic number.

It is an amenable number.

19429696860436 is a deficient number, since it is larger than the sum of its proper divisors (14589792668204).

19429696860436 is a wasteful number, since it uses less digits than its factorization.

19429696860436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324063 (or 324061 counting only the distinct ones).

The product of its (nonzero) digits is 725594112, while the sum is 73.

The spelling of 19429696860436 in words is "nineteen trillion, four hundred twenty-nine billion, six hundred ninety-six million, eight hundred sixty thousand, four hundred thirty-six".