1641420034 has 4 divisors (see below), whose sum is σ = 2462130054. Its totient is φ = 820710016.

The previous prime is 1641420029. The next prime is 1641420041. The reversal of 1641420034 is 4300241461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4300241461 = 157 ⋅27390073.

It can be written as a sum of positive squares in only one way, i.e., 975625225 + 665794809 = 31235^2 + 25803^2 .

It is a super-2 number, since 2×1641420034² = 5388519456033122312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1641419990 and 1641420008.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410355007 + ... + 410355010.

Almost surely, 2^1641420034 is an apocalyptic number.

1641420034 is a deficient number, since it is larger than the sum of its proper divisors (820710020).

1641420034 is an equidigital number, since it uses as much as digits as its factorization.

1641420034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820710019.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1641420034 is about 40514.4422891393. The cubic root of 1641420034 is about 1179.6139774370.

Adding to 1641420034 its reverse (4300241461), we get a palindrome (5941661495).

The spelling of 1641420034 in words is "one billion, six hundred forty-one million, four hundred twenty thousand, thirty-four".