900196771369 has 75 divisors (see below), whose sum is σ = 1132704056337. Its totient is φ = 715370217408.

The previous prime is 900196771367. The next prime is 900196771387. The reversal of 900196771369 is 963177691009.

The square root of 900196771369 is 948787.

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

900196771369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 279378844969 + 620817926400 = 528563^2 + 787920^2 .

It is not a de Polignac number, because 900196771369 - 2¹ = 900196771367 is a prime.

It is a super-2 number, since 2×900196771369² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (900196771367) by changing a digit.

It is a polite number, since it can be written in 74 ways as a sum of consecutive naturals, for example, 13435772674 + ... + 13435772740.

Almost surely, 2^900196771369 is an apocalyptic number.

900196771369 is the 948787-th square number.

900196771369 is the 474394-th centered octagonal number.

It is an amenable number.

900196771369 is a deficient number, since it is larger than the sum of its proper divisors (232507284968).

900196771369 is an frugal number, since it uses more digits than its factorization.

900196771369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 3857868, while the sum is 58.

The spelling of 900196771369 in words is "nine hundred billion, one hundred ninety-six million, seven hundred seventy-one thousand, three hundred sixty-nine".