742143631828 has 6 divisors (see below), whose sum is σ = 1298751355706. Its totient is φ = 371071815912.

The previous prime is 742143631819. The next prime is 742143631861. The reversal of 742143631828 is 828136341247.

It can be written as a sum of positive squares in only one way, i.e., 545444285764 + 196699346064 = 738542^2 + 443508^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 92767953975 + ... + 92767953982.

Almost surely, 2^742143631828 is an apocalyptic number.

It is an amenable number.

742143631828 is a deficient number, since it is larger than the sum of its proper divisors (556607723878).

742143631828 is a wasteful number, since it uses less digits than its factorization.

742143631828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185535907961 (or 185535907959 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 49.

The spelling of 742143631828 in words is "seven hundred forty-two billion, one hundred forty-three million, six hundred thirty-one thousand, eight hundred twenty-eight".