4269551381 has 2 divisors, whose sum is σ = 4269551382. Its totient is φ = 4269551380.

The previous prime is 4269551347. The next prime is 4269551401. The reversal of 4269551381 is 1831559624.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2286274225 + 1983277156 = 47815^2 + 44534^2 .

It is a cyclic number.

It is not a de Polignac number, because 4269551381 - 2⁶ = 4269551317 is a prime.

It is a super-2 number, since 2×4269551381² = 36458137989998014322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4269551281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2134775690 + 2134775691.

It is an arithmetic number, because the mean of its divisors is an integer number (2134775691).

Almost surely, 2^4269551381 is an apocalyptic number.

It is an amenable number.

4269551381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4269551381 is an equidigital number, since it uses as much as digits as its factorization.

4269551381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 44.

The square root of 4269551381 is about 65341.8042374099. The cubic root of 4269551381 is about 1622.2859792900.

The spelling of 4269551381 in words is "four billion, two hundred sixty-nine million, five hundred fifty-one thousand, three hundred eighty-one".