3740740685387 has 2 divisors, whose sum is σ = 3740740685388. Its totient is φ = 3740740685386.

The previous prime is 3740740685369. The next prime is 3740740685453. The reversal of 3740740685387 is 7835860470473.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3740740685387 - 2¹⁸ = 3740740423243 is a prime.

It is not a weakly prime, because it can be changed into another prime (3740740685287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1870370342693 + 1870370342694.

It is an arithmetic number, because the mean of its divisors is an integer number (1870370342694).

Almost surely, 2^{3740740685387} is an apocalyptic number.

3740740685387 is a deficient number, since it is larger than the sum of its proper divisors (1).

3740740685387 is an equidigital number, since it uses as much as digits as its factorization.

3740740685387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94832640, while the sum is 62.

The spelling of 3740740685387 in words is "three trillion, seven hundred forty billion, seven hundred forty million, six hundred eighty-five thousand, three hundred eighty-seven".