8401313513 has 4 divisors (see below), whose sum is σ = 8526706320. Its totient is φ = 8275920708.

The previous prime is 8401313449. The next prime is 8401313519. The reversal of 8401313513 is 3153131048.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8401313513 - 2⁶ = 8401313449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8401313519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62696303 + ... + 62696436.

It is an arithmetic number, because the mean of its divisors is an integer number (2131676580).

Almost surely, 2^8401313513 is an apocalyptic number.

It is an amenable number.

8401313513 is a deficient number, since it is larger than the sum of its proper divisors (125392807).

8401313513 is a wasteful number, since it uses less digits than its factorization.

8401313513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125392806.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 8401313513 is about 91658.6794199000. The cubic root of 8401313513 is about 2032.8986644429.

The spelling of 8401313513 in words is "eight billion, four hundred one million, three hundred thirteen thousand, five hundred thirteen".