812049069070 has 16 divisors (see below), whose sum is σ = 1462926015648. Its totient is φ = 324544585120.

The previous prime is 812049069061. The next prime is 812049069077. The reversal of 812049069070 is 70960940218.

812049069070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 812049069070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812049069077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34367914 + ... + 34391533.

It is an arithmetic number, because the mean of its divisors is an integer number (91432875978).

Almost surely, 2^812049069070 is an apocalyptic number.

812049069070 is a deficient number, since it is larger than the sum of its proper divisors (650876946578).

812049069070 is a wasteful number, since it uses less digits than its factorization.

812049069070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68760635.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 812049069070 in words is "eight hundred twelve billion, forty-nine million, sixty-nine thousand, seventy".