69050381 has 2 divisors, whose sum is σ = 69050382. Its totient is φ = 69050380.

The previous prime is 69050339. The next prime is 69050407. The reversal of 69050381 is 18305096.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63457156 + 5593225 = 7966^2 + 2365^2 .

It is a cyclic number.

It is not a de Polignac number, because 69050381 - 2¹⁴ = 69033997 is a prime.

It is a super-2 number, since 2×69050381² = 9535910232490322, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69050081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34525190 + 34525191.

It is an arithmetic number, because the mean of its divisors is an integer number (34525191).

Almost surely, 2^69050381 is an apocalyptic number.

It is an amenable number.

69050381 is a deficient number, since it is larger than the sum of its proper divisors (1).

69050381 is an equidigital number, since it uses as much as digits as its factorization.

69050381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 69050381 is about 8309.6558893856. The cubic root of 69050381 is about 410.2563952504.

The spelling of 69050381 in words is "sixty-nine million, fifty thousand, three hundred eighty-one".