2691932357 has 2 divisors, whose sum is σ = 2691932358. Its totient is φ = 2691932356.

The previous prime is 2691932333. The next prime is 2691932363. The reversal of 2691932357 is 7532391962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2690600641 + 1331716 = 51871^2 + 1154^2 .

It is a cyclic number.

It is not a de Polignac number, because 2691932357 - 2¹⁴ = 2691915973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2691932377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1345966178 + 1345966179.

It is an arithmetic number, because the mean of its divisors is an integer number (1345966179).

Almost surely, 2^2691932357 is an apocalyptic number.

It is an amenable number.

2691932357 is a deficient number, since it is larger than the sum of its proper divisors (1).

2691932357 is an equidigital number, since it uses as much as digits as its factorization.

2691932357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 612360, while the sum is 47.

The square root of 2691932357 is about 51883.8352186883. The cubic root of 2691932357 is about 1391.0883522767.

The spelling of 2691932357 in words is "two billion, six hundred ninety-one million, nine hundred thirty-two thousand, three hundred fifty-seven".