3804728161357 has 4 divisors (see below), whose sum is σ = 3805803250560. Its totient is φ = 3803653072156.

The previous prime is 3804728161327. The next prime is 3804728161387. The reversal of 3804728161357 is 7531618274083.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (3804728161327) and next prime (3804728161387).

It is a cyclic number.

It is not a de Polignac number, because 3804728161357 - 2¹⁵ = 3804728128589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3804728161298 and 3804728161307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3804728161327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537539293 + ... + 537546370.

It is an arithmetic number, because the mean of its divisors is an integer number (951450812640).

Almost surely, 2^{3804728161357} is an apocalyptic number.

It is an amenable number.

3804728161357 is a deficient number, since it is larger than the sum of its proper divisors (1075089203).

3804728161357 is a wasteful number, since it uses less digits than its factorization.

3804728161357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075089202.

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 3804728161357 in words is "three trillion, eight hundred four billion, seven hundred twenty-eight million, one hundred sixty-one thousand, three hundred fifty-seven".