70170969438 has 16 divisors (see below), whose sum is σ = 155935487760. Its totient is φ = 23390323128.

The previous prime is 70170969433. The next prime is 70170969439. The reversal of 70170969438 is 83496907107.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1299462397 = 70170969438 / (7 + 0 + 1 + 7 + 0 + 9 + 6 + 9 + 4 + 3 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70170969433) 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, 649731145 + ... + 649731252.

It is an arithmetic number, because the mean of its divisors is an integer number (9745967985).

Almost surely, 2^70170969438 is an apocalyptic number.

70170969438 is an abundant number, since it is smaller than the sum of its proper divisors (85764518322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70170969438 is a wasteful number, since it uses less digits than its factorization.

70170969438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299462408 (or 1299462402 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 70170969438 in words is "seventy billion, one hundred seventy million, nine hundred sixty-nine thousand, four hundred thirty-eight".