351121153973 has 2 divisors, whose sum is σ = 351121153974. Its totient is φ = 351121153972.

The previous prime is 351121153919. The next prime is 351121154051. The reversal of 351121153973 is 379351121153.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 344588958289 + 6532195684 = 587017^2 + 80822^2 .

It is a cyclic number.

It is not a de Polignac number, because 351121153973 - 2¹⁴ = 351121137589 is a prime.

It is a super-3 number, since 3×351121153973³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 351121153973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (351121159973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175560576986 + 175560576987.

It is an arithmetic number, because the mean of its divisors is an integer number (175560576987).

Almost surely, 2^351121153973 is an apocalyptic number.

It is an amenable number.

351121153973 is a deficient number, since it is larger than the sum of its proper divisors (1).

351121153973 is an equidigital number, since it uses as much as digits as its factorization.

351121153973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 85050, while the sum is 41.

The spelling of 351121153973 in words is "three hundred fifty-one billion, one hundred twenty-one million, one hundred fifty-three thousand, nine hundred seventy-three".