7513956947 has 8 divisors (see below), whose sum is σ = 8588532576. Its totient is φ = 6439669632.

The previous prime is 7513956907. The next prime is 7513956949. The reversal of 7513956947 is 7496593157.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7513956947 - 2¹² = 7513952851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7513956892 and 7513956901.

It is not an unprimeable number, because it can be changed into a prime (7513956949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12998 + ... + 123275.

It is an arithmetic number, because the mean of its divisors is an integer number (1073566572).

Almost surely, 2^7513956947 is an apocalyptic number.

7513956947 is a deficient number, since it is larger than the sum of its proper divisors (1074575629).

7513956947 is a wasteful number, since it uses less digits than its factorization.

7513956947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144157.

The product of its digits is 7144200, while the sum is 56.

The square root of 7513956947 is about 86683.0833957814. The cubic root of 7513956947 is about 1958.6472815123.

The spelling of 7513956947 in words is "seven billion, five hundred thirteen million, nine hundred fifty-six thousand, nine hundred forty-seven".