2401891430381 has 2 divisors, whose sum is σ = 2401891430382. Its totient is φ = 2401891430380.

The previous prime is 2401891430353. The next prime is 2401891430401. The reversal of 2401891430381 is 1830341981042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2333592312100 + 68299118281 = 1527610^2 + 261341^2 .

It is a cyclic number.

It is not a de Polignac number, because 2401891430381 - 2²⁶ = 2401824321517 is a prime.

It is a super-2 number, since 2×2401891430381² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2401891430321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200945715190 + 1200945715191.

It is an arithmetic number, because the mean of its divisors is an integer number (1200945715191).

Almost surely, 2^{2401891430381} is an apocalyptic number.

It is an amenable number.

2401891430381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2401891430381 is an equidigital number, since it uses as much as digits as its factorization.

2401891430381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 2401891430381 in words is "two trillion, four hundred one billion, eight hundred ninety-one million, four hundred thirty thousand, three hundred eighty-one".