1973029488242 has 4 divisors (see below), whose sum is σ = 2959544232366. Its totient is φ = 986514744120.

The previous prime is 1973029488179. The next prime is 1973029488251. The reversal of 1973029488242 is 2428849203791.

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., 1199947167241 + 773082321001 = 1095421^2 + 879251^2 .

It is a super-2 number, since 2×1973029488242² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493257372059 + ... + 493257372062.

Almost surely, 2^{1973029488242} is an apocalyptic number.

1973029488242 is a deficient number, since it is larger than the sum of its proper divisors (986514744124).

1973029488242 is an equidigital number, since it uses as much as digits as its factorization.

1973029488242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986514744123.

The product of its (nonzero) digits is 13934592, while the sum is 59.

The spelling of 1973029488242 in words is "one trillion, nine hundred seventy-three billion, twenty-nine million, four hundred eighty-eight thousand, two hundred forty-two".