2279688387097 has 4 divisors (see below), whose sum is σ = 2486932785936. Its totient is φ = 2072443988260.

The previous prime is 2279688387091. The next prime is 2279688387143. The reversal of 2279688387097 is 7907838869722.

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 2279688387097 - 2¹⁵ = 2279688354329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2279688387091) 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, 103622199403 + ... + 103622199424.

It is an arithmetic number, because the mean of its divisors is an integer number (621733196484).

Almost surely, 2^{2279688387097} is an apocalyptic number.

It is an amenable number.

2279688387097 is a deficient number, since it is larger than the sum of its proper divisors (207244398839).

2279688387097 is a wasteful number, since it uses less digits than its factorization.

2279688387097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207244398838.

The product of its (nonzero) digits is 1024192512, while the sum is 76.

The spelling of 2279688387097 in words is "two trillion, two hundred seventy-nine billion, six hundred eighty-eight million, three hundred eighty-seven thousand, ninety-seven".