2148496397 has 8 divisors (see below), whose sum is σ = 2280021696. Its totient is φ = 2017542592.

The previous prime is 2148496393. The next prime is 2148496453. The reversal of 2148496397 is 7936948412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2148496397 - 2² = 2148496393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148496393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135113 + ... + 150174.

It is an arithmetic number, because the mean of its divisors is an integer number (285002712).

Almost surely, 2^2148496397 is an apocalyptic number.

It is an amenable number.

2148496397 is a deficient number, since it is larger than the sum of its proper divisors (131525299).

2148496397 is a wasteful number, since it uses less digits than its factorization.

2148496397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285747.

The product of its digits is 2612736, while the sum is 53.

The square root of 2148496397 is about 46351.8758735825. The cubic root of 2148496397 is about 1290.3619353792.

The spelling of 2148496397 in words is "two billion, one hundred forty-eight million, four hundred ninety-six thousand, three hundred ninety-seven".