1634532464 has 20 divisors (see below), whose sum is σ = 3211513200. Its totient is φ = 805754880.

The previous prime is 1634532451. The next prime is 1634532511. The reversal of 1634532464 is 4642354361.

It is a super-2 number, since 2×1634532464² = 5343392751739822592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718289 + ... + 720560.

It is an arithmetic number, because the mean of its divisors is an integer number (160575660).

Almost surely, 2^1634532464 is an apocalyptic number.

It is an amenable number.

1634532464 is a deficient number, since it is larger than the sum of its proper divisors (1576980736).

1634532464 is a wasteful number, since it uses less digits than its factorization.

1634532464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438928 (or 1438922 counting only the distinct ones).

The product of its digits is 207360, while the sum is 38.

The square root of 1634532464 is about 40429.3515159469. The cubic root of 1634532464 is about 1177.9617364438.

The spelling of 1634532464 in words is "one billion, six hundred thirty-four million, five hundred thirty-two thousand, four hundred sixty-four".