70389016834 has 16 divisors (see below), whose sum is σ = 111808532088. Its totient is φ = 33120032512.

The previous prime is 70389016823. The next prime is 70389016861. The reversal of 70389016834 is 43861098307.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 70170420609 + 218596225 = 264897^2 + 14785^2 .

It is a super-2 number, since 2×70389016834² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148452 + ... + 403504.

Almost surely, 2^70389016834 is an apocalyptic number.

70389016834 is a deficient number, since it is larger than the sum of its proper divisors (41419515254).

70389016834 is a wasteful number, since it uses less digits than its factorization.

70389016834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263189.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 70389016834 in words is "seventy billion, three hundred eighty-nine million, sixteen thousand, eight hundred thirty-four".