1634542453 has 8 divisors (see below), whose sum is σ = 1671651072. Its totient is φ = 1597531056.

The previous prime is 1634542447. The next prime is 1634542463. The reversal of 1634542453 is 3542454361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1634542453 - 2⁹ = 1634541941 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 (1634542433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10251 + ... + 58087.

It is an arithmetic number, because the mean of its divisors is an integer number (208956384).

Almost surely, 2^1634542453 is an apocalyptic number.

It is an amenable number.

1634542453 is a deficient number, since it is larger than the sum of its proper divisors (37108619).

1634542453 is an equidigital number, since it uses as much as digits as its factorization.

1634542453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48611.

The product of its digits is 172800, while the sum is 37.

The square root of 1634542453 is about 40429.4750522438. The cubic root of 1634542453 is about 1177.9641360364.

The spelling of 1634542453 in words is "one billion, six hundred thirty-four million, five hundred forty-two thousand, four hundred fifty-three".