69801470561 has 2 divisors, whose sum is σ = 69801470562. Its totient is φ = 69801470560.

The previous prime is 69801470549. The next prime is 69801470579. The reversal of 69801470561 is 16507410896.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69567227536 + 234243025 = 263756^2 + 15305^2 .

It is a cyclic number.

It is not a de Polignac number, because 69801470561 - 2¹⁰ = 69801469537 is a prime.

It is not a weakly prime, because it can be changed into another prime (69801470521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34900735280 + 34900735281.

It is an arithmetic number, because the mean of its divisors is an integer number (34900735281).

Almost surely, 2^69801470561 is an apocalyptic number.

It is an amenable number.

69801470561 is a deficient number, since it is larger than the sum of its proper divisors (1).

69801470561 is an equidigital number, since it uses as much as digits as its factorization.

69801470561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 69801470561 in words is "sixty-nine billion, eight hundred one million, four hundred seventy thousand, five hundred sixty-one".