248146890149 has 4 divisors (see below), whose sum is σ = 253426611264. Its totient is φ = 242867169036.

The previous prime is 248146890139. The next prime is 248146890151. The reversal of 248146890149 is 941098641842.

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 248146890149 - 2⁴ = 248146890133 is a prime.

It is a super-3 number, since 3×248146890149³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 248146890094 and 248146890103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248146890119) 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, 2639860487 + ... + 2639860580.

It is an arithmetic number, because the mean of its divisors is an integer number (63356652816).

Almost surely, 2^248146890149 is an apocalyptic number.

It is an amenable number.

248146890149 is a deficient number, since it is larger than the sum of its proper divisors (5279721115).

248146890149 is an equidigital number, since it uses as much as digits as its factorization.

248146890149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5279721114.

The product of its (nonzero) digits is 3981312, while the sum is 56.

The spelling of 248146890149 in words is "two hundred forty-eight billion, one hundred forty-six million, eight hundred ninety thousand, one hundred forty-nine".