425017151999 has 4 divisors (see below), whose sum is σ = 463655074920. Its totient is φ = 386379229080.

The previous prime is 425017151983. The next prime is 425017152059. The reversal of 425017151999 is 999151710524.

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 425017151999 - 2⁴ = 425017151983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425017151999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425017141999) 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, 19318961444 + ... + 19318961465.

It is an arithmetic number, because the mean of its divisors is an integer number (115913768730).

Almost surely, 2^425017151999 is an apocalyptic number.

425017151999 is a deficient number, since it is larger than the sum of its proper divisors (38637922921).

425017151999 is a wasteful number, since it uses less digits than its factorization.

425017151999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38637922920.

The product of its (nonzero) digits is 1020600, while the sum is 53.

The spelling of 425017151999 in words is "four hundred twenty-five billion, seventeen million, one hundred fifty-one thousand, nine hundred ninety-nine".