2451149450 has 12 divisors (see below), whose sum is σ = 4559138070. Its totient is φ = 980459760.

The previous prime is 2451149419. The next prime is 2451149479. The reversal of 2451149450 is 549411542.

It can be written as a sum of positive squares in 3 ways, for example, as 2065066249 + 386083201 = 45443^2 + 19649^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2451149450.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24511445 + ... + 24511544.

Almost surely, 2^2451149450 is an apocalyptic number.

2451149450 is a deficient number, since it is larger than the sum of its proper divisors (2107988620).

2451149450 is a wasteful number, since it uses less digits than its factorization.

2451149450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49023001 (or 49022996 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 2451149450 is about 49509.0845199141. The cubic root of 2451149450 is about 1348.3105432194.

The spelling of 2451149450 in words is "two billion, four hundred fifty-one million, one hundred forty-nine thousand, four hundred fifty".