70179654509 has 2 divisors, whose sum is σ = 70179654510. Its totient is φ = 70179654508.

The previous prime is 70179654481. The next prime is 70179654553. The reversal of 70179654509 is 90545697107.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64938328900 + 5241325609 = 254830^2 + 72397^2 .

It is a cyclic number.

It is not a de Polignac number, because 70179654509 - 2²⁰ = 70178605933 is a prime.

It is a super-3 number, since 3×70179654509³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70179654109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35089827254 + 35089827255.

It is an arithmetic number, because the mean of its divisors is an integer number (35089827255).

Almost surely, 2^70179654509 is an apocalyptic number.

It is an amenable number.

70179654509 is a deficient number, since it is larger than the sum of its proper divisors (1).

70179654509 is an equidigital number, since it uses as much as digits as its factorization.

70179654509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2381400, while the sum is 53.

The spelling of 70179654509 in words is "seventy billion, one hundred seventy-nine million, six hundred fifty-four thousand, five hundred nine".