2104344157 has 2 divisors, whose sum is σ = 2104344158. Its totient is φ = 2104344156.

The previous prime is 2104344127. The next prime is 2104344161. The reversal of 2104344157 is 7514434012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2080636996 + 23707161 = 45614^2 + 4869^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2104344157 is a prime.

It is a super-2 number, since 2×2104344157² = 8856528662200081298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2104344127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052172078 + 1052172079.

It is an arithmetic number, because the mean of its divisors is an integer number (1052172079).

Almost surely, 2^2104344157 is an apocalyptic number.

It is an amenable number.

2104344157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104344157 is an equidigital number, since it uses as much as digits as its factorization.

2104344157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 2104344157 is about 45873.1311008961. The cubic root of 2104344157 is about 1281.4615785369.

Adding to 2104344157 its reverse (7514434012), we get a palindrome (9618778169).

The spelling of 2104344157 in words is "two billion, one hundred four million, three hundred forty-four thousand, one hundred fifty-seven".