69801582997 has 2 divisors, whose sum is σ = 69801582998. Its totient is φ = 69801582996.

The previous prime is 69801582967. The next prime is 69801583079. The reversal of 69801582997 is 79928510896.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68706370161 + 1095212836 = 262119^2 + 33094^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69801582997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69801582967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34900791498 + 34900791499.

It is an arithmetic number, because the mean of its divisors is an integer number (34900791499).

Almost surely, 2^69801582997 is an apocalyptic number.

It is an amenable number.

69801582997 is a deficient number, since it is larger than the sum of its proper divisors (1).

69801582997 is an equidigital number, since it uses as much as digits as its factorization.

69801582997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19595520, while the sum is 64.

The spelling of 69801582997 in words is "sixty-nine billion, eight hundred one million, five hundred eighty-two thousand, nine hundred ninety-seven".