453553813947 has 8 divisors (see below), whose sum is σ = 651256758544. Its totient is φ = 279110039328.

The previous prime is 453553813939. The next prime is 453553813957. The reversal of 453553813947 is 749318355354.

It is a happy number.

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

It is not a de Polignac number, because 453553813947 - 2³ = 453553813939 is a prime.

It is a super-2 number, since 2×453553813947² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (453553813907) 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, 5814792448 + ... + 5814792525.

It is an arithmetic number, because the mean of its divisors is an integer number (81407094818).

Almost surely, 2^453553813947 is an apocalyptic number.

453553813947 is a deficient number, since it is larger than the sum of its proper divisors (197702944597).

453553813947 is a wasteful number, since it uses less digits than its factorization.

453553813947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11629584989.

The product of its digits is 27216000, while the sum is 57.

The spelling of 453553813947 in words is "four hundred fifty-three billion, five hundred fifty-three million, eight hundred thirteen thousand, nine hundred forty-seven".