70149426553 has 4 divisors (see below), whose sum is σ = 70151503860. Its totient is φ = 70147349248.

The previous prime is 70149426511. The next prime is 70149426593. The reversal of 70149426553 is 35562494107.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35562494107 = 7 ⋅5080356301.

It can be written as a sum of positive squares in 2 ways, for example, as 51798118464 + 18351308089 = 227592^2 + 135467^2 .

It is a cyclic number.

It is not a de Polignac number, because 70149426553 - 2¹⁷ = 70149295481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70149426593) 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, 987148 + ... + 1055821.

It is an arithmetic number, because the mean of its divisors is an integer number (17537875965).

Almost surely, 2^70149426553 is an apocalyptic number.

It is an amenable number.

70149426553 is a deficient number, since it is larger than the sum of its proper divisors (2077307).

70149426553 is a wasteful number, since it uses less digits than its factorization.

70149426553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077306.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 70149426553 in words is "seventy billion, one hundred forty-nine million, four hundred twenty-six thousand, five hundred fifty-three".