42377154721 has 16 divisors (see below), whose sum is σ = 48621316608. Its totient is φ = 36578505600.

The previous prime is 42377154653. The next prime is 42377154767. The reversal of 42377154721 is 12745177324.

It is a cyclic number.

It is not a de Polignac number, because 42377154721 - 2¹³ = 42377146529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42377154221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1154316 + ... + 1190461.

It is an arithmetic number, because the mean of its divisors is an integer number (3038832288).

Almost surely, 2^42377154721 is an apocalyptic number.

It is an amenable number.

42377154721 is a deficient number, since it is larger than the sum of its proper divisors (6244161887).

42377154721 is a wasteful number, since it uses less digits than its factorization.

42377154721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344872.

The product of its digits is 329280, while the sum is 43.

The spelling of 42377154721 in words is "forty-two billion, three hundred seventy-seven million, one hundred fifty-four thousand, seven hundred twenty-one".