238691354611 has 2 divisors, whose sum is σ = 238691354612. Its totient is φ = 238691354610.

The previous prime is 238691354591. The next prime is 238691354621. The reversal of 238691354611 is 116453196832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 238691354611 - 2¹⁷ = 238691223539 is a prime.

It is a super-2 number, since 2×238691354611² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (238691354621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119345677305 + 119345677306.

It is an arithmetic number, because the mean of its divisors is an integer number (119345677306).

Almost surely, 2^238691354611 is an apocalyptic number.

238691354611 is a deficient number, since it is larger than the sum of its proper divisors (1).

238691354611 is an equidigital number, since it uses as much as digits as its factorization.

238691354611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 49.

The spelling of 238691354611 in words is "two hundred thirty-eight billion, six hundred ninety-one million, three hundred fifty-four thousand, six hundred eleven".