42897813465694 has 48 divisors (see below), whose sum is σ = 71404334721216. Its totient is φ = 19312849543680.

The previous prime is 42897813465677. The next prime is 42897813465707. The reversal of 42897813465694 is 49656431879824.

It is a self number, because there is not a number n which added to its sum of digits gives 42897813465694.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38362162 + ... + 39464554.

It is an arithmetic number, because the mean of its divisors is an integer number (1487590306692).

Almost surely, 2^{42897813465694} is an apocalyptic number.

42897813465694 is a deficient number, since it is larger than the sum of its proper divisors (28506521255522).

42897813465694 is a wasteful number, since it uses less digits than its factorization.

42897813465694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103953 (or 1103942 counting only the distinct ones).

The product of its digits is 2508226560, while the sum is 76.

The spelling of 42897813465694 in words is "forty-two trillion, eight hundred ninety-seven billion, eight hundred thirteen million, four hundred sixty-five thousand, six hundred ninety-four".