3076905400321 has 9 divisors (see below), whose sum is σ = 3268578244611. Its totient is φ = 2895882899232.

The previous prime is 3076905400313. The next prime is 3076905400343. The reversal of 3076905400321 is 1230045096703.

It is a happy number.

The square root of 3076905400321 is 1754111.

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., 2395514585025 + 681390815296 = 1547745^2 + 825464^2 .

It is not a de Polignac number, because 3076905400321 - 2³ = 3076905400313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3076905400381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 29768296 + ... + 29871478.

Almost surely, 2^{3076905400321} is an apocalyptic number.

3076905400321 is the 1754111-st square number.

3076905400321 is the 877056-th centered octagonal number.

It is an amenable number.

3076905400321 is a deficient number, since it is larger than the sum of its proper divisors (191672844290).

3076905400321 is an frugal number, since it uses more digits than its factorization.

3076905400321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206400 (or 103200 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 3076905400321 in words is "three trillion, seventy-six billion, nine hundred five million, four hundred thousand, three hundred twenty-one".