2103402434002 has 4 divisors (see below), whose sum is σ = 3155103651006. Its totient is φ = 1051701217000.

The previous prime is 2103402433969. The next prime is 2103402434017. The reversal of 2103402434002 is 2004342043012.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 2091665095081 + 11737338921 = 1446259^2 + 108339^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525850608499 + ... + 525850608502.

Almost surely, 2^{2103402434002} is an apocalyptic number.

2103402434002 is a deficient number, since it is larger than the sum of its proper divisors (1051701217004).

2103402434002 is a wasteful number, since it uses less digits than its factorization.

2103402434002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051701217003.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 2103402434002 its reverse (2004342043012), we get a palindrome (4107744477014).

The spelling of 2103402434002 in words is "two trillion, one hundred three billion, four hundred two million, four hundred thirty-four thousand, two".