890430245051 has 4 divisors (see below), whose sum is σ = 892458560400. Its totient is φ = 888401929704.

The previous prime is 890430244999. The next prime is 890430245059. The reversal of 890430245051 is 150542034098.

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 890430245051 - 2¹⁸ = 890429982907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (890430245059) 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, 1014157016 + ... + 1014157893.

It is an arithmetic number, because the mean of its divisors is an integer number (223114640100).

Almost surely, 2^890430245051 is an apocalyptic number.

890430245051 is a deficient number, since it is larger than the sum of its proper divisors (2028315349).

890430245051 is a wasteful number, since it uses less digits than its factorization.

890430245051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028315348.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 890430245051 in words is "eight hundred ninety billion, four hundred thirty million, two hundred forty-five thousand, fifty-one".