3451727934521 has 16 divisors (see below), whose sum is σ = 3490666684560. Its totient is φ = 3413057126400.

The previous prime is 3451727934517. The next prime is 3451727934541. The reversal of 3451727934521 is 1254397271543.

It can be written as a sum of positive squares in 8 ways, for example, as 73351597225 + 3378376337296 = 270835^2 + 1838036^2 .

It is a cyclic number.

It is not a de Polignac number, because 3451727934521 - 2² = 3451727934517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3451727934541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26142971 + ... + 26274671.

It is an arithmetic number, because the mean of its divisors is an integer number (218166667785).

Almost surely, 2^{3451727934521} is an apocalyptic number.

It is an amenable number.

3451727934521 is a deficient number, since it is larger than the sum of its proper divisors (38938750039).

3451727934521 is a wasteful number, since it uses less digits than its factorization.

3451727934521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132716.

The product of its digits is 6350400, while the sum is 53.

The spelling of 3451727934521 in words is "three trillion, four hundred fifty-one billion, seven hundred twenty-seven million, nine hundred thirty-four thousand, five hundred twenty-one".