3215379610697 has 4 divisors (see below), whose sum is σ = 3215388942336. Its totient is φ = 3215370279060.

The previous prime is 3215379610687. The next prime is 3215379610711. The reversal of 3215379610697 is 7960169735123.

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 3215379610697 - 2¹² = 3215379606601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3215379610687) 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, 4128329 + ... + 4844982.

It is an arithmetic number, because the mean of its divisors is an integer number (803847235584).

Almost surely, 2^{3215379610697} is an apocalyptic number.

It is an amenable number.

3215379610697 is a deficient number, since it is larger than the sum of its proper divisors (9331639).

3215379610697 is an equidigital number, since it uses as much as digits as its factorization.

3215379610697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9331638.

The product of its (nonzero) digits is 12859560, while the sum is 59.

The spelling of 3215379610697 in words is "three trillion, two hundred fifteen billion, three hundred seventy-nine million, six hundred ten thousand, six hundred ninety-seven".