890420150939 has 4 divisors (see below), whose sum is σ = 971367437400. Its totient is φ = 809472864480.

The previous prime is 890420150903. The next prime is 890420150951. The reversal of 890420150939 is 939051024098.

It is a happy number.

890420150939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-890420150939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (890420150989) 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, 40473643214 + ... + 40473643235.

It is an arithmetic number, because the mean of its divisors is an integer number (242841859350).

Almost surely, 2^890420150939 is an apocalyptic number.

890420150939 is a deficient number, since it is larger than the sum of its proper divisors (80947286461).

890420150939 is a wasteful number, since it uses less digits than its factorization.

890420150939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80947286460.

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 890420150939 in words is "eight hundred ninety billion, four hundred twenty million, one hundred fifty thousand, nine hundred thirty-nine".