2151402298 has 4 divisors (see below), whose sum is σ = 3227103450. Its totient is φ = 1075701148.

The previous prime is 2151402287. The next prime is 2151402317. The reversal of 2151402298 is 8922041512.

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., 1919053249 + 232349049 = 43807^2 + 15243^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537850573 + ... + 537850576.

Almost surely, 2^2151402298 is an apocalyptic number.

2151402298 is a deficient number, since it is larger than the sum of its proper divisors (1075701152).

2151402298 is a wasteful number, since it uses less digits than its factorization.

2151402298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075701151.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 2151402298 is about 46383.2113808434. The cubic root of 2151402298 is about 1290.9434234072.

The spelling of 2151402298 in words is "two billion, one hundred fifty-one million, four hundred two thousand, two hundred ninety-eight".