783927234913 has 2 divisors, whose sum is σ = 783927234914. Its totient is φ = 783927234912.

The previous prime is 783927234877. The next prime is 783927234919. The reversal of 783927234913 is 319432729387.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 627346370704 + 156580864209 = 792052^2 + 395703^2 .

It is a cyclic number.

It is not a de Polignac number, because 783927234913 - 2⁹ = 783927234401 is a prime.

It is a super-2 number, since 2×783927234913² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (783927234919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 391963617456 + 391963617457.

It is an arithmetic number, because the mean of its divisors is an integer number (391963617457).

Almost surely, 2^783927234913 is an apocalyptic number.

It is an amenable number.

783927234913 is a deficient number, since it is larger than the sum of its proper divisors (1).

783927234913 is an equidigital number, since it uses as much as digits as its factorization.

783927234913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13716864, while the sum is 58.

The spelling of 783927234913 in words is "seven hundred eighty-three billion, nine hundred twenty-seven million, two hundred thirty-four thousand, nine hundred thirteen".