1641202434 has 24 divisors (see below), whose sum is σ = 3670647552. Its totient is φ = 529419960.

The previous prime is 1641202397. The next prime is 1641202471. The reversal of 1641202434 is 4342021461.

It is a happy number.

1641202434 is a `hidden beast` number, since 1 + 6 + 412 + 0 + 243 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (1641202397) and next prime (1641202471).

It is a junction number, because it is equal to n+sod(n) for n = 1641202398 and 1641202407.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1470054 + ... + 1471169.

It is an arithmetic number, because the mean of its divisors is an integer number (152943648).

Almost surely, 2^1641202434 is an apocalyptic number.

1641202434 is an abundant number, since it is smaller than the sum of its proper divisors (2029445118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1641202434 is a wasteful number, since it uses less digits than its factorization.

1641202434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2941262 (or 2941259 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 1641202434 is about 40511.7567380137. The cubic root of 1641202434 is about 1179.5618487233.

Adding to 1641202434 its reverse (4342021461), we get a palindrome (5983223895).

The spelling of 1641202434 in words is "one billion, six hundred forty-one million, two hundred two thousand, four hundred thirty-four".