70434137650 has 24 divisors (see below), whose sum is σ = 131211935604. Its totient is φ = 28129689600.

The previous prime is 70434137647. The next prime is 70434137659. The reversal of 70434137650 is 5673143407.

It can be written as a sum of positive squares in 6 ways, for example, as 17543797209 + 52890340441 = 132453^2 + 229979^2 .

It is not an unprimeable number, because it can be changed into a prime (70434137659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1066767 + ... + 1130866.

Almost surely, 2^70434137650 is an apocalyptic number.

70434137650 is a deficient number, since it is larger than the sum of its proper divisors (60777797954).

70434137650 is a wasteful number, since it uses less digits than its factorization.

70434137650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2198286 (or 2198281 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 40.

The spelling of 70434137650 in words is "seventy billion, four hundred thirty-four million, one hundred thirty-seven thousand, six hundred fifty".