1064621834 has 4 divisors (see below), whose sum is σ = 1596932754. Its totient is φ = 532310916.

The previous prime is 1064621819. The next prime is 1064621839. The reversal of 1064621834 is 4381264601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1033429609 + 31192225 = 32147^2 + 5585^2 .

It is a super-2 number, since 2×1064621834² = 2266839298859047112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1064621794 and 1064621803.

It is not an unprimeable number, because it can be changed into a prime (1064621839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266155457 + ... + 266155460.

Almost surely, 2^1064621834 is an apocalyptic number.

1064621834 is a deficient number, since it is larger than the sum of its proper divisors (532310920).

1064621834 is an equidigital number, since it uses as much as digits as its factorization.

1064621834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532310919.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 1064621834 is about 32628.5432405432. The cubic root of 1064621834 is about 1021.0925861328.

The spelling of 1064621834 in words is "one billion, sixty-four million, six hundred twenty-one thousand, eight hundred thirty-four".