39089796479 has 2 divisors, whose sum is σ = 39089796480. Its totient is φ = 39089796478.

The previous prime is 39089796463. The next prime is 39089796497. The reversal of 39089796479 is 97469798093.

Together with next prime (39089796497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39089796479 - 2⁴ = 39089796463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39089792479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19544898239 + 19544898240.

It is an arithmetic number, because the mean of its divisors is an integer number (19544898240).

Almost surely, 2^39089796479 is an apocalyptic number.

39089796479 is a deficient number, since it is larger than the sum of its proper divisors (1).

39089796479 is an equidigital number, since it uses as much as digits as its factorization.

39089796479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 185177664, while the sum is 71.

The spelling of 39089796479 in words is "thirty-nine billion, eighty-nine million, seven hundred ninety-six thousand, four hundred seventy-nine".