70948873438 has 4 divisors (see below), whose sum is σ = 106423310160. Its totient is φ = 35474436718.

The previous prime is 70948873423. The next prime is 70948873483. The reversal of 70948873438 is 83437884907.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83437884907 = 13 ⋅6418298839.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17737218358 + ... + 17737218361.

It is an arithmetic number, because the mean of its divisors is an integer number (26605827540).

Almost surely, 2^70948873438 is an apocalyptic number.

70948873438 is a deficient number, since it is larger than the sum of its proper divisors (35474436722).

70948873438 is a wasteful number, since it uses less digits than its factorization.

70948873438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35474436721.

The product of its (nonzero) digits is 32514048, while the sum is 61.

The spelling of 70948873438 in words is "seventy billion, nine hundred forty-eight million, eight hundred seventy-three thousand, four hundred thirty-eight".