3744680539381 has 2 divisors, whose sum is σ = 3744680539382. Its totient is φ = 3744680539380.

The previous prime is 3744680539351. The next prime is 3744680539451. The reversal of 3744680539381 is 1839350864473.

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., 2785928192100 + 958752347281 = 1669110^2 + 979159^2 .

It is an emirp because it is prime and its reverse (1839350864473) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3744680539381 - 2⁹ = 3744680538869 is a prime.

It is a super-2 number, since 2×3744680539381² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3744680539351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1872340269690 + 1872340269691.

It is an arithmetic number, because the mean of its divisors is an integer number (1872340269691).

Almost surely, 2^{3744680539381} is an apocalyptic number.

It is an amenable number.

3744680539381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3744680539381 is an equidigital number, since it uses as much as digits as its factorization.

3744680539381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52254720, while the sum is 61.

The spelling of 3744680539381 in words is "three trillion, seven hundred forty-four billion, six hundred eighty million, five hundred thirty-nine thousand, three hundred eighty-one".