3870145355 has 4 divisors (see below), whose sum is σ = 4644174432. Its totient is φ = 3096116280.

The previous prime is 3870145339. The next prime is 3870145373. The reversal of 3870145355 is 5535410783.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3870145355 - 2⁴ = 3870145339 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387014531 + ... + 387014540.

It is an arithmetic number, because the mean of its divisors is an integer number (1161043608).

Almost surely, 2^3870145355 is an apocalyptic number.

3870145355 is a deficient number, since it is larger than the sum of its proper divisors (774029077).

3870145355 is an equidigital number, since it uses as much as digits as its factorization.

3870145355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774029076.

The product of its (nonzero) digits is 252000, while the sum is 41.

The square root of 3870145355 is about 62210.4923224371. The cubic root of 3870145355 is about 1570.0341257272.

The spelling of 3870145355 in words is "three billion, eight hundred seventy million, one hundred forty-five thousand, three hundred fifty-five".