201427437707 has 4 divisors (see below), whose sum is σ = 201493504200. Its totient is φ = 201361371216.

The previous prime is 201427437671. The next prime is 201427437727. The reversal of 201427437707 is 707734724102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201427437707 - 2⁸ = 201427437451 is a prime.

It is a super-2 number, since 2×201427437707² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201427437727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33028673 + ... + 33034770.

It is an arithmetic number, because the mean of its divisors is an integer number (50373376050).

Almost surely, 2^201427437707 is an apocalyptic number.

201427437707 is a deficient number, since it is larger than the sum of its proper divisors (66066493).

201427437707 is an equidigital number, since it uses as much as digits as its factorization.

201427437707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66066492.

The product of its (nonzero) digits is 460992, while the sum is 44.

The spelling of 201427437707 in words is "two hundred one billion, four hundred twenty-seven million, four hundred thirty-seven thousand, seven hundred seven".