19435348846972 has 12 divisors (see below), whose sum is σ = 34023339362376. Its totient is φ = 9714394743440.

The previous prime is 19435348846937. The next prime is 19435348847011. The reversal of 19435348846972 is 27964884353491.

It is a junction number, because it is equal to n+sod(n) for n = 19435348846895 and 19435348846904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 819906679 + ... + 819930382.

It is an arithmetic number, because the mean of its divisors is an integer number (2835278280198).

Almost surely, 2^{19435348846972} is an apocalyptic number.

It is an amenable number.

19435348846972 is a deficient number, since it is larger than the sum of its proper divisors (14587990515404).

19435348846972 is a wasteful number, since it uses less digits than its factorization.

19435348846972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639840028 (or 1639840026 counting only the distinct ones).

The product of its digits is 1254113280, while the sum is 73.

The spelling of 19435348846972 in words is "nineteen trillion, four hundred thirty-five billion, three hundred forty-eight million, eight hundred forty-six thousand, nine hundred seventy-two".