39142860097 has 4 divisors (see below), whose sum is σ = 42701301936. Its totient is φ = 35584418260.

The previous prime is 39142860067. The next prime is 39142860101. The reversal of 39142860097 is 79006824193.

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 39142860097 - 2²³ = 39134471489 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39142860097.

It is not an unprimeable number, because it can be changed into a prime (39142860067) 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, 1779220903 + ... + 1779220924.

It is an arithmetic number, because the mean of its divisors is an integer number (10675325484).

Almost surely, 2^39142860097 is an apocalyptic number.

It is an amenable number.

39142860097 is a deficient number, since it is larger than the sum of its proper divisors (3558441839).

39142860097 is a wasteful number, since it uses less digits than its factorization.

39142860097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3558441838.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 39142860097 in words is "thirty-nine billion, one hundred forty-two million, eight hundred sixty thousand, ninety-seven".