38660427431602 has 4 divisors (see below), whose sum is σ = 57990641147406. Its totient is φ = 19330213715800.

The previous prime is 38660427431597. The next prime is 38660427431603. The reversal of 38660427431602 is 20613472406683.

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., 22732593872641 + 15927833558961 = 4767871^2 + 3990969^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38660427431602.

It is not an unprimeable number, because it can be changed into a prime (38660427431603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9665106857899 + ... + 9665106857902.

Almost surely, 2^{38660427431602} is an apocalyptic number.

38660427431602 is a deficient number, since it is larger than the sum of its proper divisors (19330213715804).

38660427431602 is a wasteful number, since it uses less digits than its factorization.

38660427431602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19330213715803.

The product of its (nonzero) digits is 6967296, while the sum is 52.

The spelling of 38660427431602 in words is "thirty-eight trillion, six hundred sixty billion, four hundred twenty-seven million, four hundred thirty-one thousand, six hundred two".