746426121624551 has 2 divisors, whose sum is σ = 746426121624552. Its totient is φ = 746426121624550.

The previous prime is 746426121624539. The next prime is 746426121624577. The reversal of 746426121624551 is 155426121624647.

It is a weak prime.

It is an emirp because it is prime and its reverse (155426121624647) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-746426121624551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (746426121224551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373213060812275 + 373213060812276.

It is an arithmetic number, because the mean of its divisors is an integer number (373213060812276).

Almost surely, 2^{746426121624551} is an apocalyptic number.

746426121624551 is a deficient number, since it is larger than the sum of its proper divisors (1).

746426121624551 is an equidigital number, since it uses as much as digits as its factorization.

746426121624551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19353600, while the sum is 56.

The spelling of 746426121624551 in words is "seven hundred forty-six trillion, four hundred twenty-six billion, one hundred twenty-one million, six hundred twenty-four thousand, five hundred fifty-one".