6354056414521 has 4 divisors (see below), whose sum is σ = 6354078859152. Its totient is φ = 6354033969892.

The previous prime is 6354056414491. The next prime is 6354056414543. The reversal of 6354056414521 is 1254146504536.

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 6354056414521 - 2¹⁹ = 6354055890233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6354056414821) 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, 10792171 + ... + 11365696.

It is an arithmetic number, because the mean of its divisors is an integer number (1588519714788).

Almost surely, 2^{6354056414521} is an apocalyptic number.

It is an amenable number.

6354056414521 is a deficient number, since it is larger than the sum of its proper divisors (22444631).

6354056414521 is a wasteful number, since it uses less digits than its factorization.

6354056414521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22444630.

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 6354056414521 in words is "six trillion, three hundred fifty-four billion, fifty-six million, four hundred fourteen thousand, five hundred twenty-one".