71263637389413 has 48 divisors (see below), whose sum is σ = 122842317861120. Its totient is φ = 38924294314752.

The previous prime is 71263637389409. The next prime is 71263637389433. The reversal of 71263637389413 is 31498373636217.

71263637389413 is a `hidden beast` number, since 7 + 12 + 6 + 3 + 63 + 73 + 89 + 413 = 666.

It is not a de Polignac number, because 71263637389413 - 2² = 71263637389409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71263637389433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15137656 + ... + 19278897.

It is an arithmetic number, because the mean of its divisors is an integer number (2559214955440).

Almost surely, 2^{71263637389413} is an apocalyptic number.

It is an amenable number.

71263637389413 is a deficient number, since it is larger than the sum of its proper divisors (51578680471707).

71263637389413 is a wasteful number, since it uses less digits than its factorization.

71263637389413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34418018 (or 34418015 counting only the distinct ones).

The product of its digits is 82301184, while the sum is 63.

The spelling of 71263637389413 in words is "seventy-one trillion, two hundred sixty-three billion, six hundred thirty-seven million, three hundred eighty-nine thousand, four hundred thirteen".