71025420299 has 4 divisors (see below), whose sum is σ = 71998371336. Its totient is φ = 70052469264.

The previous prime is 71025420281. The next prime is 71025420307. The reversal of 71025420299 is 99202452017.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99202452017 = 14969 ⋅6627193.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71025420299 is a prime.

It is a super-2 number, since 2×71025420299² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71025420269) 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, 486475409 + ... + 486475554.

It is an arithmetic number, because the mean of its divisors is an integer number (17999592834).

Almost surely, 2^71025420299 is an apocalyptic number.

71025420299 is a deficient number, since it is larger than the sum of its proper divisors (972951037).

71025420299 is an equidigital number, since it uses as much as digits as its factorization.

71025420299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972951036.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 71025420299 in words is "seventy-one billion, twenty-five million, four hundred twenty thousand, two hundred ninety-nine".