434527520477 has 4 divisors (see below), whose sum is σ = 460087962876. Its totient is φ = 408967078080.

The previous prime is 434527520461. The next prime is 434527520501. The reversal of 434527520477 is 774025725434.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 389418433156 + 45109087321 = 624034^2 + 212389^2 .

It is a cyclic number.

It is not a de Polignac number, because 434527520477 - 2⁴ = 434527520461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434527522477) 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, 12780221174 + ... + 12780221207.

It is an arithmetic number, because the mean of its divisors is an integer number (115021990719).

Almost surely, 2^434527520477 is an apocalyptic number.

It is an amenable number.

434527520477 is a deficient number, since it is larger than the sum of its proper divisors (25560442399).

434527520477 is a wasteful number, since it uses less digits than its factorization.

434527520477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25560442398.

The product of its (nonzero) digits is 6585600, while the sum is 50.

The spelling of 434527520477 in words is "four hundred thirty-four billion, five hundred twenty-seven million, five hundred twenty thousand, four hundred seventy-seven".