454553377634 has 4 divisors (see below), whose sum is σ = 681830066454. Its totient is φ = 227276688816.

The previous prime is 454553377631. The next prime is 454553377661. The reversal of 454553377634 is 436773355454.

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

It can be written as a sum of positive squares in only one way, i.e., 420104904025 + 34448473609 = 648155^2 + 185603^2 .

It is a super-2 number, since 2×454553377634² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 454553377634.

It is not an unprimeable number, because it can be changed into a prime (454553377631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113638344407 + ... + 113638344410.

Almost surely, 2^454553377634 is an apocalyptic number.

454553377634 is a deficient number, since it is larger than the sum of its proper divisors (227276688820).

454553377634 is a wasteful number, since it uses less digits than its factorization.

454553377634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227276688819.

The product of its digits is 63504000, while the sum is 56.

The spelling of 454553377634 in words is "four hundred fifty-four billion, five hundred fifty-three million, three hundred seventy-seven thousand, six hundred thirty-four".