92641421 has 2 divisors, whose sum is σ = 92641422. Its totient is φ = 92641420.

The previous prime is 92641391. The next prime is 92641459. The reversal of 92641421 is 12414629.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84456100 + 8185321 = 9190^2 + 2861^2 .

It is an emirp because it is prime and its reverse (12414629) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-92641421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (92641481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46320710 + 46320711.

It is an arithmetic number, because the mean of its divisors is an integer number (46320711).

Almost surely, 2^92641421 is an apocalyptic number.

It is an amenable number.

92641421 is a deficient number, since it is larger than the sum of its proper divisors (1).

92641421 is an equidigital number, since it uses as much as digits as its factorization.

92641421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 29.

The square root of 92641421 is about 9625.0413505605. The cubic root of 92641421 is about 452.4824465378.

The spelling of 92641421 in words is "ninety-two million, six hundred forty-one thousand, four hundred twenty-one".