70550265769 has 3 divisors (see below), whose sum is σ = 70550531383. Its totient is φ = 70550000156.

The previous prime is 70550265767. The next prime is 70550265787. The reversal of 70550265769 is 96756205507.

The square root of 70550265769 is 265613.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 29092419225 + 41457846544 = 170565^2 + 203612^2 .

It is not a de Polignac number, because 70550265769 - 2¹ = 70550265767 is a prime.

It is a super-2 number, since 2×70550265769² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70550265767) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 132807 + ... + 398419.

Almost surely, 2^70550265769 is an apocalyptic number.

70550265769 is the 265613-rd square number.

70550265769 is the 132807-th centered octagonal number.

It is an amenable number.

70550265769 is a deficient number, since it is larger than the sum of its proper divisors (265614).

70550265769 is an frugal number, since it uses more digits than its factorization.

70550265769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531226 (or 265613 counting only the distinct ones).

The product of its (nonzero) digits is 3969000, while the sum is 52.

The spelling of 70550265769 in words is "seventy billion, five hundred fifty million, two hundred sixty-five thousand, seven hundred sixty-nine".