70942403991 has 8 divisors (see below), whose sum is σ = 94592170240. Its totient is φ = 47293786872.

The previous prime is 70942403971. The next prime is 70942404023. The reversal of 70942403991 is 19930424907.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70942403991 - 2⁹ = 70942403479 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70942403991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70942403971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131101 + ... + 398838.

It is an arithmetic number, because the mean of its divisors is an integer number (11824021280).

Almost surely, 2^70942403991 is an apocalyptic number.

70942403991 is a deficient number, since it is larger than the sum of its proper divisors (23649766249).

70942403991 is a wasteful number, since it uses less digits than its factorization.

70942403991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574565.

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 70942403991 in words is "seventy billion, nine hundred forty-two million, four hundred three thousand, nine hundred ninety-one".