1351033543973 has 2 divisors, whose sum is σ = 1351033543974. Its totient is φ = 1351033543972.

The previous prime is 1351033543957. The next prime is 1351033544059. The reversal of 1351033543973 is 3793453301531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1237004410849 + 114029133124 = 1112207^2 + 337682^2 .

It is a cyclic number.

It is not a de Polignac number, because 1351033543973 - 2⁴ = 1351033543957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351033543903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675516771986 + 675516771987.

It is an arithmetic number, because the mean of its divisors is an integer number (675516771987).

Almost surely, 2^{1351033543973} is an apocalyptic number.

It is an amenable number.

1351033543973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351033543973 is an equidigital number, since it uses as much as digits as its factorization.

1351033543973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1530900, while the sum is 47.

The spelling of 1351033543973 in words is "one trillion, three hundred fifty-one billion, thirty-three million, five hundred forty-three thousand, nine hundred seventy-three".