89969402601 has 27 divisors (see below), whose sum is σ = 140739672567. Its totient is φ = 55358587440.

The previous prime is 89969402587. The next prime is 89969402641. The reversal of 89969402601 is 10620496998.

The square root of 89969402601 is 299949.

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

It can be written as a sum of positive squares in only one way, i.e., 13309083225 + 76660319376 = 115365^2 + 276876^2 .

It is not a de Polignac number, because 89969402601 - 2¹⁹ = 89968878313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89969402641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11694166 + ... + 11701856.

Almost surely, 2^89969402601 is an apocalyptic number.

89969402601 is the 299949-th square number.

89969402601 is the 149975-th centered octagonal number.

It is an amenable number.

89969402601 is a deficient number, since it is larger than the sum of its proper divisors (50770269966).

89969402601 is an frugal number, since it uses more digits than its factorization.

89969402601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15414 (or 7707 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The spelling of 89969402601 in words is "eighty-nine billion, nine hundred sixty-nine million, four hundred two thousand, six hundred one".