2451121708 has 18 divisors (see below), whose sum is σ = 4989783876. Its totient is φ = 1050480648.

The previous prime is 2451121697. The next prime is 2451121741. The reversal of 2451121708 is 8071211542.

It is a self number, because there is not a number n which added to its sum of digits gives 2451121708.

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, 6252666 + ... + 6253057.

Almost surely, 2^2451121708 is an apocalyptic number.

2451121708 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2451121708 is an abundant number, since it is smaller than the sum of its proper divisors (2538662168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2451121708 is a wasteful number, since it uses less digits than its factorization.

2451121708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12505741 (or 12505732 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 2451121708 is about 49508.8043483177. The cubic root of 2451121708 is about 1348.3054564940.

The spelling of 2451121708 in words is "two billion, four hundred fifty-one million, one hundred twenty-one thousand, seven hundred eight".