2151641462 has 4 divisors (see below), whose sum is σ = 3227462196. Its totient is φ = 1075820730.

The previous prime is 2151641449. The next prime is 2151641489. The reversal of 2151641462 is 2641461512.

2151641462 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537910364 + ... + 537910367.

It is an arithmetic number, because the mean of its divisors is an integer number (806865549).

Almost surely, 2^2151641462 is an apocalyptic number.

2151641462 is a deficient number, since it is larger than the sum of its proper divisors (1075820734).

2151641462 is a wasteful number, since it uses less digits than its factorization.

2151641462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075820733.

The product of its digits is 11520, while the sum is 32.

The square root of 2151641462 is about 46385.7894403016. The cubic root of 2151641462 is about 1290.9912582160.

The spelling of 2151641462 in words is "two billion, one hundred fifty-one million, six hundred forty-one thousand, four hundred sixty-two".