2615464091 has 2 divisors, whose sum is σ = 2615464092. Its totient is φ = 2615464090.

The previous prime is 2615464073. The next prime is 2615464129. The reversal of 2615464091 is 1904645162.

It is an a-pointer prime, because the next prime (2615464129) can be obtained adding 2615464091 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2615464091 - 2¹⁸ = 2615201947 is a prime.

It is a super-2 number, since 2×2615464091² = 13681304822620912562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2615464001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1307732045 + 1307732046.

It is an arithmetic number, because the mean of its divisors is an integer number (1307732046).

Almost surely, 2^2615464091 is an apocalyptic number.

2615464091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2615464091 is an equidigital number, since it uses as much as digits as its factorization.

2615464091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 2615464091 is about 51141.6082167935. The cubic root of 2615464091 is about 1377.7896582249.

The spelling of 2615464091 in words is "two billion, six hundred fifteen million, four hundred sixty-four thousand, ninety-one".