75352937749 has 2 divisors, whose sum is σ = 75352937750. Its totient is φ = 75352937748.

The previous prime is 75352937731. The next prime is 75352937797. The reversal of 75352937749 is 94773925357.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62985940900 + 12366996849 = 250970^2 + 111207^2 .

It is a cyclic number.

It is not a de Polignac number, because 75352937749 - 2¹⁵ = 75352904981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75352932749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37676468874 + 37676468875.

It is an arithmetic number, because the mean of its divisors is an integer number (37676468875).

Almost surely, 2^75352937749 is an apocalyptic number.

It is an amenable number.

75352937749 is a deficient number, since it is larger than the sum of its proper divisors (1).

75352937749 is an equidigital number, since it uses as much as digits as its factorization.

75352937749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50009400, while the sum is 61.

It can be divided in two parts, 75352 and 937749, that added together give a palindrome (1013101).

The spelling of 75352937749 in words is "seventy-five billion, three hundred fifty-two million, nine hundred thirty-seven thousand, seven hundred forty-nine".