20150254429 has 2 divisors, whose sum is σ = 20150254430. Its totient is φ = 20150254428.

The previous prime is 20150254393. The next prime is 20150254447. The reversal of 20150254429 is 92445205102.

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., 18932384025 + 1217870404 = 137595^2 + 34898^2 .

It is a cyclic number.

It is not a de Polignac number, because 20150254429 - 2⁷ = 20150254301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20150254394 and 20150254403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20150554429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10075127214 + 10075127215.

It is an arithmetic number, because the mean of its divisors is an integer number (10075127215).

Almost surely, 2^20150254429 is an apocalyptic number.

It is an amenable number.

20150254429 is a deficient number, since it is larger than the sum of its proper divisors (1).

20150254429 is an equidigital number, since it uses as much as digits as its factorization.

20150254429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 20150254429 in words is "twenty billion, one hundred fifty million, two hundred fifty-four thousand, four hundred twenty-nine".