73907995349 has 2 divisors, whose sum is σ = 73907995350. Its totient is φ = 73907995348.

The previous prime is 73907995309. The next prime is 73907995361. The reversal of 73907995349 is 94359970937.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71833648324 + 2074347025 = 268018^2 + 45545^2 .

It is an emirp because it is prime and its reverse (94359970937) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73907995349 - 2¹⁶ = 73907929813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73907995309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36953997674 + 36953997675.

It is an arithmetic number, because the mean of its divisors is an integer number (36953997675).

Almost surely, 2^73907995349 is an apocalyptic number.

It is an amenable number.

73907995349 is a deficient number, since it is larger than the sum of its proper divisors (1).

73907995349 is an equidigital number, since it uses as much as digits as its factorization.

73907995349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57868020, while the sum is 65.

The spelling of 73907995349 in words is "seventy-three billion, nine hundred seven million, nine hundred ninety-five thousand, three hundred forty-nine".