425445166411 has 4 divisors (see below), whose sum is σ = 426630250800. Its totient is φ = 424260082024.

The previous prime is 425445166409. The next prime is 425445166451. The reversal of 425445166411 is 114661544524.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 425445166411 - 2¹ = 425445166409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425445166451) 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, 592541656 + ... + 592542373.

It is an arithmetic number, because the mean of its divisors is an integer number (106657562700).

Almost surely, 2^425445166411 is an apocalyptic number.

425445166411 is a deficient number, since it is larger than the sum of its proper divisors (1185084389).

425445166411 is a wasteful number, since it uses less digits than its factorization.

425445166411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185084388.

The product of its digits is 460800, while the sum is 43.

The spelling of 425445166411 in words is "four hundred twenty-five billion, four hundred forty-five million, one hundred sixty-six thousand, four hundred eleven".