62666662021213 has 4 divisors (see below), whose sum is σ = 63081673028128. Its totient is φ = 62251651014300.

The previous prime is 62666662021141. The next prime is 62666662021273. The reversal of 62666662021213 is 31212026666626.

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 a cyclic number.

It is not a de Polignac number, because 62666662021213 - 2³⁷ = 62529223067741 is a prime.

It is a super-2 number, since 2×62666662021213² (a number of 28 digits) 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 (62666662021273) 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, 207505503231 + ... + 207505503532.

It is an arithmetic number, because the mean of its divisors is an integer number (15770418257032).

Almost surely, 2^{62666662021213} is an apocalyptic number.

It is an amenable number.

62666662021213 is a deficient number, since it is larger than the sum of its proper divisors (415011006915).

62666662021213 is a wasteful number, since it uses less digits than its factorization.

62666662021213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415011006914.

The product of its (nonzero) digits is 2239488, while the sum is 49.

Adding to 62666662021213 its reverse (31212026666626), we get a palindrome (93878688687839).

The spelling of 62666662021213 in words is "sixty-two trillion, six hundred sixty-six billion, six hundred sixty-two million, twenty-one thousand, two hundred thirteen".