14777490434521 has 2 divisors, whose sum is σ = 14777490434522. Its totient is φ = 14777490434520.

The previous prime is 14777490434503. The next prime is 14777490434533. The reversal of 14777490434521 is 12543409477741.

14777490434521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9714940934400 + 5062549500121 = 3116880^2 + 2250011^2 .

It is a cyclic number.

It is not a de Polignac number, because 14777490434521 - 2⁷ = 14777490434393 is a prime.

It is not a weakly prime, because it can be changed into another prime (14777490434591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7388745217260 + 7388745217261.

It is an arithmetic number, because the mean of its divisors is an integer number (7388745217261).

Almost surely, 2^{14777490434521} is an apocalyptic number.

It is an amenable number.

14777490434521 is a deficient number, since it is larger than the sum of its proper divisors (1).

14777490434521 is an equidigital number, since it uses as much as digits as its factorization.

14777490434521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23708160, while the sum is 58.

The spelling of 14777490434521 in words is "fourteen trillion, seven hundred seventy-seven billion, four hundred ninety million, four hundred thirty-four thousand, five hundred twenty-one".