453506618042 has 32 divisors (see below), whose sum is σ = 699431014800. Its totient is φ = 220450982400.

The previous prime is 453506618021. The next prime is 453506618093. The reversal of 453506618042 is 240816605354.

It is a Cunningham number, because it is equal to 673429²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 120137798881 + 333368819161 = 346609^2 + 577381^2 .

It is a junction number, because it is equal to n+sod(n) for n = 453506617984 and 453506618002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40266692 + ... + 40277952.

Almost surely, 2^453506618042 is an apocalyptic number.

453506618042 is a deficient number, since it is larger than the sum of its proper divisors (245924396758).

453506618042 is a wasteful number, since it uses less digits than its factorization.

With its successor (453506618043) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (15122).

453506618042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15122.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 453506618042 in words is "four hundred fifty-three billion, five hundred six million, six hundred eighteen thousand, forty-two".