1403422729 has 2 divisors, whose sum is σ = 1403422730. Its totient is φ = 1403422728.

The previous prime is 1403422721. The next prime is 1403422759. The reversal of 1403422729 is 9272243041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 802192329 + 601230400 = 28323^2 + 24520^2 .

It is a cyclic number.

It is not a de Polignac number, because 1403422729 - 2³ = 1403422721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1403422694 and 1403422703.

It is not a weakly prime, because it can be changed into another prime (1403422721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701711364 + 701711365.

It is an arithmetic number, because the mean of its divisors is an integer number (701711365).

Almost surely, 2^1403422729 is an apocalyptic number.

It is an amenable number.

1403422729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1403422729 is an equidigital number, since it uses as much as digits as its factorization.

1403422729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 1403422729 is about 37462.2840867986. The cubic root of 1403422729 is about 1119.5998594511.

It can be divided in two parts, 14034 and 22729, that added together give a palindrome (36763).

The spelling of 1403422729 in words is "one billion, four hundred three million, four hundred twenty-two thousand, seven hundred twenty-nine".