280172751401 has 2 divisors, whose sum is σ = 280172751402. Its totient is φ = 280172751400.

The previous prime is 280172751349. The next prime is 280172751433. The reversal of 280172751401 is 104157271082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223218451600 + 56954299801 = 472460^2 + 238651^2 .

It is a cyclic number.

It is not a de Polignac number, because 280172751401 - 2¹⁸ = 280172489257 is a prime.

It is not a weakly prime, because it can be changed into another prime (280172751451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140086375700 + 140086375701.

It is an arithmetic number, because the mean of its divisors is an integer number (140086375701).

Almost surely, 2^280172751401 is an apocalyptic number.

It is an amenable number.

280172751401 is a deficient number, since it is larger than the sum of its proper divisors (1).

280172751401 is an equidigital number, since it uses as much as digits as its factorization.

280172751401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31360, while the sum is 38.

The spelling of 280172751401 in words is "two hundred eighty billion, one hundred seventy-two million, seven hundred fifty-one thousand, four hundred one".