3646120541451 has 32 divisors (see below), whose sum is σ = 5124015536640. Its totient is φ = 2299820926464.

The previous prime is 3646120541443. The next prime is 3646120541467. The reversal of 3646120541451 is 1541450216463.

It is not a de Polignac number, because 3646120541451 - 2³ = 3646120541443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3646120541431) 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, 151764226 + ... + 151788248.

It is an arithmetic number, because the mean of its divisors is an integer number (160125485520).

Almost surely, 2^{3646120541451} is an apocalyptic number.

3646120541451 is a deficient number, since it is larger than the sum of its proper divisors (1477894995189).

3646120541451 is a wasteful number, since it uses less digits than its factorization.

3646120541451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27395.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 3646120541451 in words is "three trillion, six hundred forty-six billion, one hundred twenty million, five hundred forty-one thousand, four hundred fifty-one".