3139975247 has 2 divisors, whose sum is σ = 3139975248. Its totient is φ = 3139975246.

The previous prime is 3139975231. The next prime is 3139975253. The reversal of 3139975247 is 7425799313.

3139975247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3139975247 - 2⁴ = 3139975231 is a prime.

It is a super-2 number, since 2×3139975247² = 19718889103545422018, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3139975195 and 3139975204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3139972247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1569987623 + 1569987624.

It is an arithmetic number, because the mean of its divisors is an integer number (1569987624).

Almost surely, 2^3139975247 is an apocalyptic number.

3139975247 is a deficient number, since it is larger than the sum of its proper divisors (1).

3139975247 is an equidigital number, since it uses as much as digits as its factorization.

3139975247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428840, while the sum is 50.

The square root of 3139975247 is about 56035.4820359386. The cubic root of 3139975247 is about 1464.3405026251.

The spelling of 3139975247 in words is "three billion, one hundred thirty-nine million, nine hundred seventy-five thousand, two hundred forty-seven".