70168949137 has 4 divisors (see below), whose sum is σ = 80193084736. Its totient is φ = 60144813540.

The previous prime is 70168949129. The next prime is 70168949141. The reversal of 70168949137 is 73194986107.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73194986107 = 883 ⋅82893529.

It is not a de Polignac number, because 70168949137 - 2³ = 70168949129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70168949537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5012067789 + ... + 5012067802.

It is an arithmetic number, because the mean of its divisors is an integer number (20048271184).

Almost surely, 2^70168949137 is an apocalyptic number.

It is an amenable number.

70168949137 is a deficient number, since it is larger than the sum of its proper divisors (10024135599).

70168949137 is a wasteful number, since it uses less digits than its factorization.

70168949137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10024135598.

The product of its (nonzero) digits is 2286144, while the sum is 55.

The spelling of 70168949137 in words is "seventy billion, one hundred sixty-eight million, nine hundred forty-nine thousand, one hundred thirty-seven".