25620214034 has 4 divisors (see below), whose sum is σ = 38430321054. Its totient is φ = 12810107016.

The previous prime is 25620214007. The next prime is 25620214051. The reversal of 25620214034 is 43041202652.

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., 24306369025 + 1313845009 = 155905^2 + 36247^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25620213988 and 25620214006.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6405053507 + ... + 6405053510.

Almost surely, 2^25620214034 is an apocalyptic number.

25620214034 is a deficient number, since it is larger than the sum of its proper divisors (12810107020).

25620214034 is a wasteful number, since it uses less digits than its factorization.

25620214034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12810107019.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 25620214034 its reverse (43041202652), we get a palindrome (68661416686).

The spelling of 25620214034 in words is "twenty-five billion, six hundred twenty million, two hundred fourteen thousand, thirty-four".