2729961513 has 24 divisors (see below), whose sum is σ = 3989932128. Its totient is φ = 1798526592.

The previous prime is 2729961497. The next prime is 2729961539. The reversal of 2729961513 is 3151699272.

It is a happy number.

2729961513 is a `hidden beast` number, since 2 + 7 + 29 + 9 + 615 + 1 + 3 = 666.

2729961513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2729961513 - 2⁴ = 2729961497 is a prime.

It is a super-2 number, since 2×2729961513² = 14905379724922498338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2729961593) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 413706 + ... + 420252.

It is an arithmetic number, because the mean of its divisors is an integer number (166247172).

Almost surely, 2^2729961513 is an apocalyptic number.

It is an amenable number.

2729961513 is a deficient number, since it is larger than the sum of its proper divisors (1259970615).

2729961513 is a wasteful number, since it uses less digits than its factorization.

2729961513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7093 (or 7090 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 2729961513 is about 52249.0336082879. The cubic root of 2729961513 is about 1397.6084190663.

The spelling of 2729961513 in words is "two billion, seven hundred twenty-nine million, nine hundred sixty-one thousand, five hundred thirteen".