2902794730081 has 9 divisors (see below), whose sum is σ = 2910171931923. Its totient is φ = 2895436194960.

The previous prime is 2902794730079. The next prime is 2902794730159. The reversal of 2902794730081 is 1800374972092.

The square root of 2902794730081 is 1703759.

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., 1829415848481 + 1073378881600 = 1352559^2 + 1036040^2 .

It is not a de Polignac number, because 2902794730081 - 2¹ = 2902794730079 is a prime.

It is a super-2 number, since 2×2902794730081² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2902794730181) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 747948261 + ... + 747952141.

Almost surely, 2^{2902794730081} is an apocalyptic number.

2902794730081 is the 1703759-th square number.

2902794730081 is the 851880-th centered octagonal number.

It is an amenable number.

2902794730081 is a deficient number, since it is larger than the sum of its proper divisors (7377201842).

2902794730081 is an frugal number, since it uses more digits than its factorization.

2902794730081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8640 (or 4320 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 2902794730081 in words is "two trillion, nine hundred two billion, seven hundred ninety-four million, seven hundred thirty thousand, eighty-one".