2123196510 has 64 divisors (see below), whose sum is σ = 5273247744. Its totient is φ = 546547200.

The previous prime is 2123196469. The next prime is 2123196527. The reversal of 2123196510 is 156913212.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 398182 + ... + 403478.

It is an arithmetic number, because the mean of its divisors is an integer number (82394496).

Almost surely, 2^2123196510 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2123196510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2636623872).

2123196510 is an abundant number, since it is smaller than the sum of its proper divisors (3150051234).

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

2123196510 is a wasteful number, since it uses less digits than its factorization.

2123196510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5769.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 2123196510 is about 46078.1565386464. The cubic root of 2123196510 is about 1285.2769841022.

The spelling of 2123196510 in words is "two billion, one hundred twenty-three million, one hundred ninety-six thousand, five hundred ten".