42731744242377 has 8 divisors (see below), whose sum is σ = 56976435296640. Its totient is φ = 28487441341520.

The previous prime is 42731744242349. The next prime is 42731744242441. The reversal of 42731744242377 is 77324244713724.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42731744242377 - 2¹⁶ = 42731744176841 is a prime.

It is a super-2 number, since 2×42731744242377² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42731744242277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96781377 + ... + 97221902.

It is an arithmetic number, because the mean of its divisors is an integer number (7122054412080).

Almost surely, 2^{42731744242377} is an apocalyptic number.

It is an amenable number.

42731744242377 is a deficient number, since it is larger than the sum of its proper divisors (14244691054263).

42731744242377 is a wasteful number, since it uses less digits than its factorization.

42731744242377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194076703.

The product of its digits is 44255232, while the sum is 57.

The spelling of 42731744242377 in words is "forty-two trillion, seven hundred thirty-one billion, seven hundred forty-four million, two hundred forty-two thousand, three hundred seventy-seven".