2102073638 has 24 divisors (see below), whose sum is σ = 3827382192. Its totient is φ = 861718704.

The previous prime is 2102073583. The next prime is 2102073643. The reversal of 2102073638 is 8363702012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 464045 + ... + 468552.

It is an arithmetic number, because the mean of its divisors is an integer number (159474258).

Almost surely, 2^2102073638 is an apocalyptic number.

2102073638 is a deficient number, since it is larger than the sum of its proper divisors (1725308554).

2102073638 is a wasteful number, since it uses less digits than its factorization.

2102073638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932636 (or 932629 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 2102073638 is about 45848.3766124821. The cubic root of 2102073638 is about 1281.0005275362. Note that the first 3 decimals are identical.

The spelling of 2102073638 in words is "two billion, one hundred two million, seventy-three thousand, six hundred thirty-eight".