79486939601 has 2 divisors, whose sum is σ = 79486939602. Its totient is φ = 79486939600.

The previous prime is 79486939573. The next prime is 79486939633. The reversal of 79486939601 is 10693968497.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79140942400 + 345997201 = 281320^2 + 18601^2 .

It is an emirp because it is prime and its reverse (10693968497) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79486939601 - 2⁶ = 79486939537 is a prime.

It is not a weakly prime, because it can be changed into another prime (79486939001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39743469800 + 39743469801.

It is an arithmetic number, because the mean of its divisors is an integer number (39743469801).

Almost surely, 2^79486939601 is an apocalyptic number.

It is an amenable number.

79486939601 is a deficient number, since it is larger than the sum of its proper divisors (1).

79486939601 is an equidigital number, since it uses as much as digits as its factorization.

79486939601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17635968, while the sum is 62.

The spelling of 79486939601 in words is "seventy-nine billion, four hundred eighty-six million, nine hundred thirty-nine thousand, six hundred one".