7533381937 has 2 divisors, whose sum is σ = 7533381938. Its totient is φ = 7533381936.

The previous prime is 7533381917. The next prime is 7533382097. The reversal of 7533381937 is 7391833357.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7070959921 + 462422016 = 84089^2 + 21504^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7533381937 is a prime.

It is not a weakly prime, because it can be changed into another prime (7533381917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3766690968 + 3766690969.

It is an arithmetic number, because the mean of its divisors is an integer number (3766690969).

Almost surely, 2^7533381937 is an apocalyptic number.

It is an amenable number.

7533381937 is a deficient number, since it is larger than the sum of its proper divisors (1).

7533381937 is an equidigital number, since it uses as much as digits as its factorization.

7533381937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428840, while the sum is 49.

The square root of 7533381937 is about 86795.0571000446. The cubic root of 7533381937 is about 1960.3336528509. Note that the first 3 decimals are identical.

The spelling of 7533381937 in words is "seven billion, five hundred thirty-three million, three hundred eighty-one thousand, nine hundred thirty-seven".