2972720369251 has 2 divisors, whose sum is σ = 2972720369252. Its totient is φ = 2972720369250.

The previous prime is 2972720369239. The next prime is 2972720369279. The reversal of 2972720369251 is 1529630272792.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2972720369251 - 2¹³ = 2972720361059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2972720369192 and 2972720369201.

It is not a weakly prime, because it can be changed into another prime (2972720399251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1486360184625 + 1486360184626.

It is an arithmetic number, because the mean of its divisors is an integer number (1486360184626).

Almost surely, 2^{2972720369251} is an apocalyptic number.

2972720369251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2972720369251 is an equidigital number, since it uses as much as digits as its factorization.

2972720369251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 2972720369251 in words is "two trillion, nine hundred seventy-two billion, seven hundred twenty million, three hundred sixty-nine thousand, two hundred fifty-one".