3855020541 has 4 divisors (see below), whose sum is σ = 5140027392. Its totient is φ = 2570013692.

The previous prime is 3855020539. The next prime is 3855020551. The reversal of 3855020541 is 1450205583.

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 a cyclic number.

It is not a de Polignac number, because 3855020541 - 2¹ = 3855020539 is a prime.

It is a super-2 number, since 2×3855020541² = 29722366743063865362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3855020551) 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, 642503421 + ... + 642503426.

It is an arithmetic number, because the mean of its divisors is an integer number (1285006848).

Almost surely, 2^3855020541 is an apocalyptic number.

It is an amenable number.

3855020541 is a deficient number, since it is larger than the sum of its proper divisors (1285006851).

3855020541 is a wasteful number, since it uses less digits than its factorization.

3855020541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285006850.

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 3855020541 is about 62088.8117215976. The cubic root of 3855020541 is about 1567.9861857828.

The spelling of 3855020541 in words is "three billion, eight hundred fifty-five million, twenty thousand, five hundred forty-one".