60404320866381 has 4 divisors (see below), whose sum is σ = 80539094488512. Its totient is φ = 40269547244252.

The previous prime is 60404320866367. The next prime is 60404320866401. The reversal of 60404320866381 is 18366802340406.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 60404320866381 - 2²⁹ = 60403783995469 is a prime.

It is a super-2 number, since 2×60404320866381² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60404320866181) 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, 10067386811061 + ... + 10067386811066.

It is an arithmetic number, because the mean of its divisors is an integer number (20134773622128).

Almost surely, 2^{60404320866381} is an apocalyptic number.

It is an amenable number.

60404320866381 is a deficient number, since it is larger than the sum of its proper divisors (20134773622131).

60404320866381 is a wasteful number, since it uses less digits than its factorization.

60404320866381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20134773622130.

The product of its (nonzero) digits is 3981312, while the sum is 51.

The spelling of 60404320866381 in words is "sixty trillion, four hundred four billion, three hundred twenty million, eight hundred sixty-six thousand, three hundred eighty-one".