1427520603017 has 4 divisors (see below), whose sum is σ = 1429534031940. Its totient is φ = 1425507174096.

The previous prime is 1427520603013. The next prime is 1427520603059. The reversal of 1427520603017 is 7103060257241.

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

It can be written as a sum of positive squares in 2 ways, for example, as 437742347641 + 989778255376 = 661621^2 + 994876^2 .

It is a cyclic number.

It is not a de Polignac number, because 1427520603017 - 2² = 1427520603013 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1427520603013) 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, 1006713398 + ... + 1006714815.

It is an arithmetic number, because the mean of its divisors is an integer number (357383507985).

Almost surely, 2^{1427520603017} is an apocalyptic number.

It is an amenable number.

1427520603017 is a deficient number, since it is larger than the sum of its proper divisors (2013428923).

1427520603017 is an equidigital number, since it uses as much as digits as its factorization.

1427520603017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013428922.

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 1427520603017 in words is "one trillion, four hundred twenty-seven billion, five hundred twenty million, six hundred three thousand, seventeen".