42221700377 has 4 divisors (see below), whose sum is σ = 42229514496. Its totient is φ = 42213886260.

The previous prime is 42221700343. The next prime is 42221700413. The reversal of 42221700377 is 77300712224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42221700377 - 2¹⁶ = 42221634841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42221706377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3898949 + ... + 3909762.

It is an arithmetic number, because the mean of its divisors is an integer number (10557378624).

Almost surely, 2^42221700377 is an apocalyptic number.

It is an amenable number.

42221700377 is a deficient number, since it is larger than the sum of its proper divisors (7814119).

42221700377 is an equidigital number, since it uses as much as digits as its factorization.

42221700377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7814118.

The product of its (nonzero) digits is 32928, while the sum is 35.

The spelling of 42221700377 in words is "forty-two billion, two hundred twenty-one million, seven hundred thousand, three hundred seventy-seven".