18202690425034 has 8 divisors (see below), whose sum is σ = 28041982546788. Its totient is φ = 8855362909440.

The previous prime is 18202690424993. The next prime is 18202690425037. The reversal of 18202690425034 is 43052409620281.

It can be written as a sum of positive squares in 2 ways, for example, as 14795908437025 + 3406781988009 = 3846545^2 + 1845747^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (18202690425037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122991151447 + ... + 122991151594.

Almost surely, 2^{18202690425034} is an apocalyptic number.

18202690425034 is a deficient number, since it is larger than the sum of its proper divisors (9839292121754).

18202690425034 is a wasteful number, since it uses less digits than its factorization.

18202690425034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245982303080.

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 18202690425034 in words is "eighteen trillion, two hundred two billion, six hundred ninety million, four hundred twenty-five thousand, thirty-four".