429618541631 has 2 divisors, whose sum is σ = 429618541632. Its totient is φ = 429618541630.

The previous prime is 429618541619. The next prime is 429618541733. The reversal of 429618541631 is 136145816924.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-429618541631 is a prime.

It is a super-2 number, since 2×429618541631² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 429618541631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (429617541631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214809270815 + 214809270816.

It is an arithmetic number, because the mean of its divisors is an integer number (214809270816).

Almost surely, 2^429618541631 is an apocalyptic number.

429618541631 is a deficient number, since it is larger than the sum of its proper divisors (1).

429618541631 is an equidigital number, since it uses as much as digits as its factorization.

429618541631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 50.

The spelling of 429618541631 in words is "four hundred twenty-nine billion, six hundred eighteen million, five hundred forty-one thousand, six hundred thirty-one".