1427317517542 has 32 divisors (see below), whose sum is σ = 2474518455360. Its totient is φ = 604786490880.

The previous prime is 1427317517491. The next prime is 1427317517543. The reversal of 1427317517542 is 2457157137241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427317517543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18852828 + ... + 18928384.

It is an arithmetic number, because the mean of its divisors is an integer number (77328701730).

Almost surely, 2^{1427317517542} is an apocalyptic number.

1427317517542 is a deficient number, since it is larger than the sum of its proper divisors (1047200937818).

1427317517542 is a wasteful number, since it uses less digits than its factorization.

1427317517542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90816.

The product of its digits is 1646400, while the sum is 49.

The spelling of 1427317517542 in words is "one trillion, four hundred twenty-seven billion, three hundred seventeen million, five hundred seventeen thousand, five hundred forty-two".