3540545261421 has 32 divisors (see below), whose sum is σ = 5603294638080. Its totient is φ = 1946561146176.

The previous prime is 3540545261413. The next prime is 3540545261437. The reversal of 3540545261421 is 1241625450453.

It is not a de Polignac number, because 3540545261421 - 2³ = 3540545261413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3540545261021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30341586 + ... + 30458051.

It is an arithmetic number, because the mean of its divisors is an integer number (175102957440).

Almost surely, 2^{3540545261421} is an apocalyptic number.

It is an amenable number.

3540545261421 is a deficient number, since it is larger than the sum of its proper divisors (2062749376659).

3540545261421 is a wasteful number, since it uses less digits than its factorization.

3540545261421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60799753.

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 3540545261421 in words is "three trillion, five hundred forty billion, five hundred forty-five million, two hundred sixty-one thousand, four hundred twenty-one".