70353149761 has 4 divisors (see below), whose sum is σ = 70603517124. Its totient is φ = 70102782400.

The previous prime is 70353149729. The next prime is 70353149773. The reversal of 70353149761 is 16794135307.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16794135307 = 71 ⋅236537117.

It can be written as a sum of positive squares in 2 ways, for example, as 30186977536 + 40166172225 = 173744^2 + 200415^2 .

It is a cyclic number.

It is not a de Polignac number, because 70353149761 - 2⁵ = 70353149729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70353149701) 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 3 ways as a sum of consecutive naturals, for example, 125183260 + ... + 125183821.

It is an arithmetic number, because the mean of its divisors is an integer number (17650879281).

Almost surely, 2^70353149761 is an apocalyptic number.

It is an amenable number.

70353149761 is a deficient number, since it is larger than the sum of its proper divisors (250367363).

70353149761 is a wasteful number, since it uses less digits than its factorization.

70353149761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250367362.

The product of its (nonzero) digits is 476280, while the sum is 46.

The spelling of 70353149761 in words is "seventy billion, three hundred fifty-three million, one hundred forty-nine thousand, seven hundred sixty-one".