1641313715 has 4 divisors (see below), whose sum is σ = 1969576464. Its totient is φ = 1313050968.

The previous prime is 1641313691. The next prime is 1641313721. The reversal of 1641313715 is 5173131461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5173131461 = 107 ⋅48347023.

It is a cyclic number.

It is not a de Polignac number, because 1641313715 - 2⁸ = 1641313459 is a prime.

It is a super-2 number, since 2×1641313715² = 5387821422094202450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 164131367 + ... + 164131376.

It is an arithmetic number, because the mean of its divisors is an integer number (492394116).

Almost surely, 2^1641313715 is an apocalyptic number.

1641313715 is a deficient number, since it is larger than the sum of its proper divisors (328262749).

1641313715 is an equidigital number, since it uses as much as digits as its factorization.

1641313715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328262748.

The product of its digits is 7560, while the sum is 32.

The square root of 1641313715 is about 40513.1301555434. The cubic root of 1641313715 is about 1179.5885080094.

The spelling of 1641313715 in words is "one billion, six hundred forty-one million, three hundred thirteen thousand, seven hundred fifteen".