2471778038039 has 4 divisors (see below), whose sum is σ = 2472683122440. Its totient is φ = 2470872953640.

The previous prime is 2471778038029. The next prime is 2471778038047. The reversal of 2471778038039 is 9308308771742.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2471778038039 is a prime.

It is a super-2 number, since 2×2471778038039² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2471778038029) 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, 452538104 + ... + 452543565.

It is an arithmetic number, because the mean of its divisors is an integer number (618170780610).

Almost surely, 2^{2471778038039} is an apocalyptic number.

2471778038039 is a deficient number, since it is larger than the sum of its proper divisors (905084401).

2471778038039 is an equidigital number, since it uses as much as digits as its factorization.

2471778038039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905084400.

The product of its (nonzero) digits is 14224896, while the sum is 59.

The spelling of 2471778038039 in words is "two trillion, four hundred seventy-one billion, seven hundred seventy-eight million, thirty-eight thousand, thirty-nine".