749690047621373 has 2 divisors, whose sum is σ = 749690047621374. Its totient is φ = 749690047621372.

The previous prime is 749690047621363. The next prime is 749690047621421. The reversal of 749690047621373 is 373126740096947.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 518639498700964 + 231050548920409 = 22773658^2 + 15200347^2 .

It is an emirp because it is prime and its reverse (373126740096947) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 749690047621373 - 2¹⁶ = 749690047555837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749690047621363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374845023810686 + 374845023810687.

It is an arithmetic number, because the mean of its divisors is an integer number (374845023810687).

Almost surely, 2^{749690047621373} is an apocalyptic number.

It is an amenable number.

749690047621373 is a deficient number, since it is larger than the sum of its proper divisors (1).

749690047621373 is an equidigital number, since it uses as much as digits as its factorization.

749690047621373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288054144, while the sum is 68.

The spelling of 749690047621373 in words is "seven hundred forty-nine trillion, six hundred ninety billion, forty-seven million, six hundred twenty-one thousand, three hundred seventy-three".