1475207642042 has 4 divisors (see below), whose sum is σ = 2212811463066. Its totient is φ = 737603821020.

The previous prime is 1475207642039. The next prime is 1475207642047. The reversal of 1475207642042 is 2402467025741.

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

It can be written as a sum of positive squares in only one way, i.e., 828211023721 + 646996618321 = 910061^2 + 804361^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1475207641984 and 1475207642002.

It is not an unprimeable number, because it can be changed into a prime (1475207642047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 368801910509 + ... + 368801910512.

Almost surely, 2^{1475207642042} is an apocalyptic number.

1475207642042 is a deficient number, since it is larger than the sum of its proper divisors (737603821024).

1475207642042 is an equidigital number, since it uses as much as digits as its factorization.

1475207642042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737603821023.

The product of its (nonzero) digits is 752640, while the sum is 44.

The spelling of 1475207642042 in words is "one trillion, four hundred seventy-five billion, two hundred seven million, six hundred forty-two thousand, forty-two".