6413785797 has 4 divisors (see below), whose sum is σ = 8551714400. Its totient is φ = 4275857196.

The previous prime is 6413785771. The next prime is 6413785811. The reversal of 6413785797 is 7975873146.

It is a happy number.

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 not a de Polignac number, because 6413785797 - 2¹² = 6413781701 is a prime.

It is a super-2 number, since 2×6413785797² = 82273296499597850418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6413785717) 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, 1068964297 + ... + 1068964302.

It is an arithmetic number, because the mean of its divisors is an integer number (2137928600).

Almost surely, 2^6413785797 is an apocalyptic number.

It is an amenable number.

6413785797 is a deficient number, since it is larger than the sum of its proper divisors (2137928603).

6413785797 is a wasteful number, since it uses less digits than its factorization.

6413785797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137928602.

The product of its digits is 8890560, while the sum is 57.

The square root of 6413785797 is about 80086.1148826686. The cubic root of 6413785797 is about 1857.9676607842.

The spelling of 6413785797 in words is "six billion, four hundred thirteen million, seven hundred eighty-five thousand, seven hundred ninety-seven".