2664295397 has 4 divisors (see below), whose sum is σ = 2666712000. Its totient is φ = 2661878796.

The previous prime is 2664295363. The next prime is 2664295409. The reversal of 2664295397 is 7935924662.

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 a de Polignac number, because none of the positive numbers 2^k-2664295397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664295897) 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, 1206647 + ... + 1208852.

It is an arithmetic number, because the mean of its divisors is an integer number (666678000).

Almost surely, 2^2664295397 is an apocalyptic number.

It is an amenable number.

2664295397 is a deficient number, since it is larger than the sum of its proper divisors (2416603).

2664295397 is a wasteful number, since it uses less digits than its factorization.

2664295397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416602.

The product of its digits is 4898880, while the sum is 53.

The square root of 2664295397 is about 51616.8131232450. The cubic root of 2664295397 is about 1386.3113901667.

The spelling of 2664295397 in words is "two billion, six hundred sixty-four million, two hundred ninety-five thousand, three hundred ninety-seven".