2151480418 has 4 divisors (see below), whose sum is σ = 3227220630. Its totient is φ = 1075740208.

The previous prime is 2151480389. The next prime is 2151480437. The reversal of 2151480418 is 8140841512.

It is a happy number.

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., 2148600609 + 2879809 = 46353^2 + 1697^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537870103 + ... + 537870106.

Almost surely, 2^2151480418 is an apocalyptic number.

2151480418 is a deficient number, since it is larger than the sum of its proper divisors (1075740212).

2151480418 is a wasteful number, since it uses less digits than its factorization.

2151480418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075740211.

The product of its (nonzero) digits is 10240, while the sum is 34.

The square root of 2151480418 is about 46384.0534882410. The cubic root of 2151480418 is about 1290.9590484532.

The spelling of 2151480418 in words is "two billion, one hundred fifty-one million, four hundred eighty thousand, four hundred eighteen".