69314621 has 2 divisors, whose sum is σ = 69314622. Its totient is φ = 69314620.

The previous prime is 69314573. The next prime is 69314629. The reversal of 69314621 is 12641396.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50608996 + 18705625 = 7114^2 + 4325^2 .

It is a cyclic number.

It is not a de Polignac number, because 69314621 - 2²² = 65120317 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69314629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34657310 + 34657311.

It is an arithmetic number, because the mean of its divisors is an integer number (34657311).

Almost surely, 2^69314621 is an apocalyptic number.

It is an amenable number.

69314621 is a deficient number, since it is larger than the sum of its proper divisors (1).

69314621 is an equidigital number, since it uses as much as digits as its factorization.

69314621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 32.

The square root of 69314621 is about 8325.5402827684. The cubic root of 69314621 is about 410.7790482259.

The spelling of 69314621 in words is "sixty-nine million, three hundred fourteen thousand, six hundred twenty-one".