2976781420445 has 16 divisors (see below), whose sum is σ = 4083664442880. Its totient is φ = 2040610869504.

The previous prime is 2976781420369. The next prime is 2976781420447. The reversal of 2976781420445 is 5440241876792.

It is a cyclic number.

It is not a de Polignac number, because 2976781420445 - 2¹⁰ = 2976781419421 is a prime.

It is a super-2 number, since 2×2976781420445² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2976781420447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12603740 + ... + 12837749.

It is an arithmetic number, because the mean of its divisors is an integer number (255229027680).

Almost surely, 2^{2976781420445} is an apocalyptic number.

It is an amenable number.

2976781420445 is a deficient number, since it is larger than the sum of its proper divisors (1106883022435).

2976781420445 is a wasteful number, since it uses less digits than its factorization.

2976781420445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25444844.

The product of its (nonzero) digits is 27095040, while the sum is 59.

The spelling of 2976781420445 in words is "two trillion, nine hundred seventy-six billion, seven hundred eighty-one million, four hundred twenty thousand, four hundred forty-five".