699993321221041 has 4 divisors (see below), whose sum is σ = 699994033328500. Its totient is φ = 699992609113584.

The previous prime is 699993321220967. The next prime is 699993321221081. The reversal of 699993321221041 is 140122123399996.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54598857922816 + 645394463298225 = 7389104^2 + 25404615^2 .

It is a cyclic number.

It is not a de Polignac number, because 699993321221041 - 2¹¹ = 699993321218993 is a prime.

It is a super-2 number, since 2×699993321221041² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (699993321221081) 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, 354577206 + ... + 356545903.

It is an arithmetic number, because the mean of its divisors is an integer number (174998508332125).

Almost surely, 2^{699993321221041} is an apocalyptic number.

It is an amenable number.

699993321221041 is a deficient number, since it is larger than the sum of its proper divisors (712107459).

699993321221041 is an equidigital number, since it uses as much as digits as its factorization.

699993321221041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712107458.

The product of its (nonzero) digits is 11337408, while the sum is 61.

The spelling of 699993321221041 in words is "six hundred ninety-nine trillion, nine hundred ninety-three billion, three hundred twenty-one million, two hundred twenty-one thousand, forty-one".