429626641 has 2 divisors, whose sum is σ = 429626642. Its totient is φ = 429626640.

The previous prime is 429626633. The next prime is 429626707. The reversal of 429626641 is 146626924.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 258566400 + 171060241 = 16080^2 + 13079^2 .

It is a cyclic number.

It is not a de Polignac number, because 429626641 - 2³ = 429626633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 429626594 and 429626603.

It is not a weakly prime, because it can be changed into another prime (429626611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214813320 + 214813321.

It is an arithmetic number, because the mean of its divisors is an integer number (214813321).

Almost surely, 2^429626641 is an apocalyptic number.

It is an amenable number.

429626641 is a deficient number, since it is larger than the sum of its proper divisors (1).

429626641 is an equidigital number, since it uses as much as digits as its factorization.

429626641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 40.

The square root of 429626641 is about 20727.4369134247. The cubic root of 429626641 is about 754.5657143071.

The spelling of 429626641 in words is "four hundred twenty-nine million, six hundred twenty-six thousand, six hundred forty-one".