39658750097 has 4 divisors (see below), whose sum is σ = 39659542080. Its totient is φ = 39657958116.

The previous prime is 39658750093. The next prime is 39658750099. The reversal of 39658750097 is 79005785693.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 39658750097 - 2² = 39658750093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39658750093) 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, 315413 + ... + 422850.

It is an arithmetic number, because the mean of its divisors is an integer number (9914885520).

Almost surely, 2^39658750097 is an apocalyptic number.

It is an amenable number.

39658750097 is a deficient number, since it is larger than the sum of its proper divisors (791983).

39658750097 is an equidigital number, since it uses as much as digits as its factorization.

39658750097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791982.

The product of its (nonzero) digits is 14288400, while the sum is 59.

The spelling of 39658750097 in words is "thirty-nine billion, six hundred fifty-eight million, seven hundred fifty thousand, ninety-seven".