2102345534 has 4 divisors (see below), whose sum is σ = 3153518304. Its totient is φ = 1051172766.

The previous prime is 2102345491. The next prime is 2102345563. The reversal of 2102345534 is 4355432012.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2102345497 and 2102345506.

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, 525586382 + ... + 525586385.

It is an arithmetic number, because the mean of its divisors is an integer number (788379576).

Almost surely, 2^2102345534 is an apocalyptic number.

2102345534 is a deficient number, since it is larger than the sum of its proper divisors (1051172770).

2102345534 is a wasteful number, since it uses less digits than its factorization.

2102345534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051172769.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 2102345534 is about 45851.3416815691. The cubic root of 2102345534 is about 1281.0557561601.

Adding to 2102345534 its reverse (4355432012), we get a palindrome (6457777546).

The spelling of 2102345534 in words is "two billion, one hundred two million, three hundred forty-five thousand, five hundred thirty-four".