3743128897 has 2 divisors, whose sum is σ = 3743128898. Its totient is φ = 3743128896.

The previous prime is 3743128849. The next prime is 3743129041. The reversal of 3743128897 is 7988213473.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3643208881 + 99920016 = 60359^2 + 9996^2 .

It is a cyclic number.

It is not a de Polignac number, because 3743128897 - 2⁷ = 3743128769 is a prime.

It is a super-2 number, since 2×3743128897² = 28022027879112873218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3743128847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1871564448 + 1871564449.

It is an arithmetic number, because the mean of its divisors is an integer number (1871564449).

Almost surely, 2^3743128897 is an apocalyptic number.

It is an amenable number.

3743128897 is a deficient number, since it is larger than the sum of its proper divisors (1).

3743128897 is an equidigital number, since it uses as much as digits as its factorization.

3743128897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 52.

The square root of 3743128897 is about 61181.1155259529. The cubic root of 3743128897 is about 1552.6667788534. Note that the first 3 decimals are identical.

The spelling of 3743128897 in words is "three billion, seven hundred forty-three million, one hundred twenty-eight thousand, eight hundred ninety-seven".