3729607742385 has 48 divisors (see below), whose sum is σ = 7389693282816. Its totient is φ = 1704613244544.

The previous prime is 3729607742323. The next prime is 3729607742407. The reversal of 3729607742385 is 5832477069273.

3729607742385 is a `hidden beast` number, since 3 + 7 + 2 + 9 + 60 + 77 + 423 + 85 = 666.

It is not a de Polignac number, because 3729607742385 - 2¹⁹ = 3729607218097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 322392 + ... + 2750118.

It is an arithmetic number, because the mean of its divisors is an integer number (153951943392).

Almost surely, 2^{3729607742385} is an apocalyptic number.

3729607742385 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3729607742385 is a deficient number, since it is larger than the sum of its proper divisors (3660085540431).

3729607742385 is a wasteful number, since it uses less digits than its factorization.

3729607742385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432622 (or 2432619 counting only the distinct ones).

The product of its (nonzero) digits is 106686720, while the sum is 63.

The spelling of 3729607742385 in words is "three trillion, seven hundred twenty-nine billion, six hundred seven million, seven hundred forty-two thousand, three hundred eighty-five".