447090157453 has 4 divisors (see below), whose sum is σ = 459173675260. Its totient is φ = 435006639648.

The previous prime is 447090157447. The next prime is 447090157471. The reversal of 447090157453 is 354751090744.

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 221941805449 + 225148352004 = 471107^2 + 474498^2 .

It is a cyclic number.

It is not a de Polignac number, because 447090157453 - 2⁹ = 447090156941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 447090157397 and 447090157406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447090158453) 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, 6041758848 + ... + 6041758921.

It is an arithmetic number, because the mean of its divisors is an integer number (114793418815).

Almost surely, 2^447090157453 is an apocalyptic number.

It is an amenable number.

447090157453 is a deficient number, since it is larger than the sum of its proper divisors (12083517807).

447090157453 is a wasteful number, since it uses less digits than its factorization.

447090157453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12083517806.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 447090157453 in words is "four hundred forty-seven billion, ninety million, one hundred fifty-seven thousand, four hundred fifty-three".