69801583121 has 2 divisors, whose sum is σ = 69801583122. Its totient is φ = 69801583120.

The previous prime is 69801583079. The next prime is 69801583141. The reversal of 69801583121 is 12138510896.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69189515521 + 612067600 = 263039^2 + 24740^2 .

It is a cyclic number.

It is not a de Polignac number, because 69801583121 - 2¹⁸ = 69801320977 is a prime.

It is a super-2 number, since 2×69801583121² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (69801583141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34900791560 + 34900791561.

It is an arithmetic number, because the mean of its divisors is an integer number (34900791561).

Almost surely, 2^69801583121 is an apocalyptic number.

It is an amenable number.

69801583121 is a deficient number, since it is larger than the sum of its proper divisors (1).

69801583121 is an equidigital number, since it uses as much as digits as its factorization.

69801583121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 44.

The spelling of 69801583121 in words is "sixty-nine billion, eight hundred one million, five hundred eighty-three thousand, one hundred twenty-one".