2478191433 has 16 divisors (see below), whose sum is σ = 3451393920. Its totient is φ = 1579665024.

The previous prime is 2478191431. The next prime is 2478191447. The reversal of 2478191433 is 3341918742.

2478191433 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2478191433 - 2¹ = 2478191431 is a prime.

It is a super-2 number, since 2×2478191433² = 12282865557189186978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2478191431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129316 + ... + 147237.

It is an arithmetic number, because the mean of its divisors is an integer number (215712120).

Almost surely, 2^2478191433 is an apocalyptic number.

It is an amenable number.

2478191433 is a deficient number, since it is larger than the sum of its proper divisors (973202487).

2478191433 is a wasteful number, since it uses less digits than its factorization.

2478191433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276688.

The product of its digits is 145152, while the sum is 42.

The square root of 2478191433 is about 49781.4366305353. The cubic root of 2478191433 is about 1353.2507727803.

The spelling of 2478191433 in words is "two billion, four hundred seventy-eight million, one hundred ninety-one thousand, four hundred thirty-three".