454542624424661 has 4 divisors (see below), whose sum is σ = 457812715248000. Its totient is φ = 451272533601324.

The previous prime is 454542624424591. The next prime is 454542624424663. The reversal of 454542624424661 is 166424426245454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 454542624424661 - 2³⁴ = 454525444555477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 454542624424661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454542624424663) 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, 1635045411461 + ... + 1635045411738.

It is an arithmetic number, because the mean of its divisors is an integer number (114453178812000).

Almost surely, 2^{454542624424661} is an apocalyptic number.

It is an amenable number.

454542624424661 is a deficient number, since it is larger than the sum of its proper divisors (3270090823339).

454542624424661 is a wasteful number, since it uses less digits than its factorization.

454542624424661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3270090823338.

The product of its digits is 176947200, while the sum is 59.

The spelling of 454542624424661 in words is "four hundred fifty-four trillion, five hundred forty-two billion, six hundred twenty-four million, four hundred twenty-four thousand, six hundred sixty-one".