3727349355997 has 2 divisors, whose sum is σ = 3727349355998. Its totient is φ = 3727349355996.

The previous prime is 3727349355953. The next prime is 3727349356033. The reversal of 3727349355997 is 7995539437273.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2331298405881 + 1396050950116 = 1526859^2 + 1181546^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3727349355997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3727344355997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1863674677998 + 1863674677999.

It is an arithmetic number, because the mean of its divisors is an integer number (1863674677999).

Almost surely, 2^{3727349355997} is an apocalyptic number.

It is an amenable number.

3727349355997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3727349355997 is an equidigital number, since it uses as much as digits as its factorization.

3727349355997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1350253800, while the sum is 73.

The spelling of 3727349355997 in words is "three trillion, seven hundred twenty-seven billion, three hundred forty-nine million, three hundred fifty-five thousand, nine hundred ninety-seven".