70553450761 has 2 divisors, whose sum is σ = 70553450762. Its totient is φ = 70553450760.

The previous prime is 70553450743. The next prime is 70553450783. The reversal of 70553450761 is 16705435507.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43209521161 + 27343929600 = 207869^2 + 165360^2 .

It is a cyclic number.

It is not a de Polignac number, because 70553450761 - 2⁵ = 70553450729 is a prime.

It is not a weakly prime, because it can be changed into another prime (70553150761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35276725380 + 35276725381.

It is an arithmetic number, because the mean of its divisors is an integer number (35276725381).

Almost surely, 2^70553450761 is an apocalyptic number.

It is an amenable number.

70553450761 is a deficient number, since it is larger than the sum of its proper divisors (1).

70553450761 is an equidigital number, since it uses as much as digits as its factorization.

70553450761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 441000, while the sum is 43.

The spelling of 70553450761 in words is "seventy billion, five hundred fifty-three million, four hundred fifty thousand, seven hundred sixty-one".