3765212021427 has 32 divisors (see below), whose sum is σ = 5160909600000. Its totient is φ = 2440275855360.

The previous prime is 3765212021419. The next prime is 3765212021443. The reversal of 3765212021427 is 7241202125673.

It is not a de Polignac number, because 3765212021427 - 2³ = 3765212021419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3765212021327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40400899 + ... + 40493987.

It is an arithmetic number, because the mean of its divisors is an integer number (161278425000).

Almost surely, 2^{3765212021427} is an apocalyptic number.

3765212021427 is a deficient number, since it is larger than the sum of its proper divisors (1395697578573).

3765212021427 is a wasteful number, since it uses less digits than its factorization.

3765212021427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94291.

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 3765212021427 in words is "three trillion, seven hundred sixty-five billion, two hundred twelve million, twenty-one thousand, four hundred twenty-seven".