4021432098977 has 2 divisors, whose sum is σ = 4021432098978. Its totient is φ = 4021432098976.

The previous prime is 4021432098973. The next prime is 4021432099043. The reversal of 4021432098977 is 7798902341204.

4021432098977 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3364139237281 + 657292861696 = 1834159^2 + 810736^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021432098977 - 2² = 4021432098973 is a prime.

It is a super-2 number, since 2×4021432098977² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4021432098973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010716049488 + 2010716049489.

It is an arithmetic number, because the mean of its divisors is an integer number (2010716049489).

Almost surely, 2^{4021432098977} is an apocalyptic number.

It is an amenable number.

4021432098977 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021432098977 is an equidigital number, since it uses as much as digits as its factorization.

4021432098977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6096384, while the sum is 56.

The spelling of 4021432098977 in words is "four trillion, twenty-one billion, four hundred thirty-two million, ninety-eight thousand, nine hundred seventy-seven".