3954736512 has 48 divisors (see below), whose sum is σ = 11380169580. Its totient is φ = 1318245120.

The previous prime is 3954736483. The next prime is 3954736517. The reversal of 3954736512 is 2156374593.

3954736512 is a `hidden beast` number, since 3 + 95 + 47 + 3 + 6 + 512 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×3954736512² = 31279881758691852288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3954736517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1715314 + ... + 1717617.

Almost surely, 2^3954736512 is an apocalyptic number.

3954736512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3954736512 is an abundant number, since it is smaller than the sum of its proper divisors (7425433068).

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

3954736512 is a wasteful number, since it uses less digits than its factorization.

3954736512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3432951 (or 3432936 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The square root of 3954736512 is about 62886.6958267009. The cubic root of 3954736512 is about 1581.3907148606.

The spelling of 3954736512 in words is "three billion, nine hundred fifty-four million, seven hundred thirty-six thousand, five hundred twelve".