3756547121 has 2 divisors, whose sum is σ = 3756547122. Its totient is φ = 3756547120.

The previous prime is 3756547043. The next prime is 3756547129. The reversal of 3756547121 is 1217456573.

3756547121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3662670400 + 93876721 = 60520^2 + 9689^2 .

It is an emirp because it is prime and its reverse (1217456573) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3756547121 - 2¹⁰ = 3756546097 is a prime.

It is a super-3 number, since 3×3756547121³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (3756547129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1878273560 + 1878273561.

It is an arithmetic number, because the mean of its divisors is an integer number (1878273561).

Almost surely, 2^3756547121 is an apocalyptic number.

It is an amenable number.

3756547121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3756547121 is an equidigital number, since it uses as much as digits as its factorization.

3756547121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 176400, while the sum is 41.

The square root of 3756547121 is about 61290.6772764015. The cubic root of 3756547121 is about 1554.5198796201.

The spelling of 3756547121 in words is "three billion, seven hundred fifty-six million, five hundred forty-seven thousand, one hundred twenty-one".