2151229962 has 32 divisors (see below), whose sum is σ = 4918523904. Its totient is φ = 614458800.

The previous prime is 2151229931. The next prime is 2151229967. The reversal of 2151229962 is 2699221512.

It is a self number, because there is not a number n which added to its sum of digits gives 2151229962.

It is not an unprimeable number, because it can be changed into a prime (2151229967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223387 + ... + 232817.

It is an arithmetic number, because the mean of its divisors is an integer number (153703872).

Almost surely, 2^2151229962 is an apocalyptic number.

2151229962 is an abundant number, since it is smaller than the sum of its proper divisors (2767293942).

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

2151229962 is a wasteful number, since it uses less digits than its factorization.

2151229962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14874.

The product of its digits is 38880, while the sum is 39.

The square root of 2151229962 is about 46381.3536024985. The cubic root of 2151229962 is about 1290.9089525620.

The spelling of 2151229962 in words is "two billion, one hundred fifty-one million, two hundred twenty-nine thousand, nine hundred sixty-two".