71428443493610 has 32 divisors (see below), whose sum is σ = 146944955485440. Its totient is φ = 24488678195712.

The previous prime is 71428443493607. The next prime is 71428443493633. The reversal of 71428443493610 is 1639434482417.

It is a super-2 number, since 2×71428443493610² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20763470 + ... + 23957849.

It is an arithmetic number, because the mean of its divisors is an integer number (4592029858920).

Almost surely, 2^{71428443493610} is an apocalyptic number.

71428443493610 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

71428443493610 is an abundant number, since it is smaller than the sum of its proper divisors (75516511991830).

71428443493610 is a wasteful number, since it uses less digits than its factorization.

71428443493610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44744150.

The product of its (nonzero) digits is 13934592, while the sum is 56.

The spelling of 71428443493610 in words is "seventy-one trillion, four hundred twenty-eight billion, four hundred forty-three million, four hundred ninety-three thousand, six hundred ten".