2453451985 has 8 divisors (see below), whose sum is σ = 3117327336. Its totient is φ = 1847304960.

The previous prime is 2453451977. The next prime is 2453452051. The reversal of 2453451985 is 5891543542.

It can be written as a sum of positive squares in 4 ways, for example, as 108180801 + 2345271184 = 10401^2 + 48428^2 .

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

It is not a de Polignac number, because 2453451985 - 2³ = 2453451977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14431986 + ... + 14432155.

It is an arithmetic number, because the mean of its divisors is an integer number (389665917).

Almost surely, 2^2453451985 is an apocalyptic number.

It is an amenable number.

2453451985 is a deficient number, since it is larger than the sum of its proper divisors (663875351).

2453451985 is a wasteful number, since it uses less digits than its factorization.

2453451985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28864163.

The product of its digits is 864000, while the sum is 46.

The square root of 2453451985 is about 49532.3327231819. The cubic root of 2453451985 is about 1348.7325983526.

The spelling of 2453451985 in words is "two billion, four hundred fifty-three million, four hundred fifty-one thousand, nine hundred eighty-five".