2151359306 has 4 divisors (see below), whose sum is σ = 3227038962. Its totient is φ = 1075679652.

The previous prime is 2151359291. The next prime is 2151359317. The reversal of 2151359306 is 6039531512.

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., 1591611025 + 559748281 = 39895^2 + 23659^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537839825 + ... + 537839828.

Almost surely, 2^2151359306 is an apocalyptic number.

2151359306 is a deficient number, since it is larger than the sum of its proper divisors (1075679656).

2151359306 is a wasteful number, since it uses less digits than its factorization.

2151359306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075679655.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 2151359306 is about 46382.7479349812. The cubic root of 2151359306 is about 1290.9348242702.

The spelling of 2151359306 in words is "two billion, one hundred fifty-one million, three hundred fifty-nine thousand, three hundred six".