6472261539 has 12 divisors (see below), whose sum is σ = 9898753176. Its totient is φ = 4061026752.

The previous prime is 6472261501. The next prime is 6472261547. The reversal of 6472261539 is 9351622746.

6472261539 is a `hidden beast` number, since 6 + 4 + 7 + 22 + 615 + 3 + 9 = 666.

It is not a de Polignac number, because 6472261539 - 2⁸ = 6472261283 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6472261494 and 6472261503.

It is not an unprimeable number, because it can be changed into a prime (6472261559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21151029 + ... + 21151334.

It is an arithmetic number, because the mean of its divisors is an integer number (824896098).

Almost surely, 2^6472261539 is an apocalyptic number.

6472261539 is a deficient number, since it is larger than the sum of its proper divisors (3426491637).

6472261539 is a wasteful number, since it uses less digits than its factorization.

6472261539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42302386 (or 42302383 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 6472261539 is about 80450.3669289333. The cubic root of 6472261539 is about 1863.5970722276.

The spelling of 6472261539 in words is "six billion, four hundred seventy-two million, two hundred sixty-one thousand, five hundred thirty-nine".