1351633475242 has 16 divisors (see below), whose sum is σ = 2082301444872. Its totient is φ = 657533963520.

The previous prime is 1351633475239. The next prime is 1351633475267. The reversal of 1351633475242 is 2425743361531.

It can be written as a sum of positive squares in 4 ways, for example, as 1149546364561 + 202087110681 = 1072169^2 + 449541^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1351633475192 and 1351633475201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2824038 + ... + 3267790.

Almost surely, 2^{1351633475242} is an apocalyptic number.

1351633475242 is a deficient number, since it is larger than the sum of its proper divisors (730667969630).

1351633475242 is a wasteful number, since it uses less digits than its factorization.

1351633475242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484953.

The product of its digits is 1814400, while the sum is 46.

The spelling of 1351633475242 in words is "one trillion, three hundred fifty-one billion, six hundred thirty-three million, four hundred seventy-five thousand, two hundred forty-two".