2148362493 has 4 divisors (see below), whose sum is σ = 2864483328. Its totient is φ = 1432241660.

The previous prime is 2148362483. The next prime is 2148362549. The reversal of 2148362493 is 3942638412.

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 2148362493 - 2¹⁰ = 2148361469 is a prime.

It is a super-2 number, since 2×2148362493² = 9230922802658350098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148362483) 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, 358060413 + ... + 358060418.

It is an arithmetic number, because the mean of its divisors is an integer number (716120832).

Almost surely, 2^2148362493 is an apocalyptic number.

It is an amenable number.

2148362493 is a deficient number, since it is larger than the sum of its proper divisors (716120835).

2148362493 is an equidigital number, since it uses as much as digits as its factorization.

2148362493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716120834.

The product of its digits is 248832, while the sum is 42.

The square root of 2148362493 is about 46350.4314219404. The cubic root of 2148362493 is about 1290.3351277608.

The spelling of 2148362493 in words is "two billion, one hundred forty-eight million, three hundred sixty-two thousand, four hundred ninety-three".