2121957246 has 8 divisors (see below), whose sum is σ = 4243914504. Its totient is φ = 707319080.

The previous prime is 2121957209. The next prime is 2121957283. The reversal of 2121957246 is 6427591212.

It is an interprime number because it is at equal distance from previous prime (2121957209) and next prime (2121957283).

It is a sphenic number, since it is the product of 3 distinct primes.

2121957246 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176829765 + ... + 176829776.

It is an arithmetic number, because the mean of its divisors is an integer number (530489313).

Almost surely, 2^2121957246 is an apocalyptic number.

2121957246 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2121957246 is a wasteful number, since it uses less digits than its factorization.

2121957246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353659546.

The product of its digits is 60480, while the sum is 39.

The square root of 2121957246 is about 46064.7071628595. The cubic root of 2121957246 is about 1285.0268726180.

The spelling of 2121957246 in words is "two billion, one hundred twenty-one million, nine hundred fifty-seven thousand, two hundred forty-six".