42718154897 has 32 divisors (see below), whose sum is σ = 50994728064. Its totient is φ = 35342540800.

The previous prime is 42718154891. The next prime is 42718154933. The reversal of 42718154897 is 79845181724.

It is a cyclic number.

It is not a de Polignac number, because 42718154897 - 2⁸ = 42718154641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42718154891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 841718 + ... + 891024.

It is an arithmetic number, because the mean of its divisors is an integer number (1593585252).

Almost surely, 2^42718154897 is an apocalyptic number.

It is an amenable number.

42718154897 is a deficient number, since it is larger than the sum of its proper divisors (8276573167).

42718154897 is a wasteful number, since it uses less digits than its factorization.

42718154897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49489.

The product of its digits is 4515840, while the sum is 56.

The spelling of 42718154897 in words is "forty-two billion, seven hundred eighteen million, one hundred fifty-four thousand, eight hundred ninety-seven".