4021040977 has 2 divisors, whose sum is σ = 4021040978. Its totient is φ = 4021040976.

The previous prime is 4021040963. The next prime is 4021040981. The reversal of 4021040977 is 7790401204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3913628481 + 107412496 = 62559^2 + 10364^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4021040977 is a prime.

It is a super-2 number, since 2×4021040977² = 32337541077426229058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4021040377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010520488 + 2010520489.

It is an arithmetic number, because the mean of its divisors is an integer number (2010520489).

Almost surely, 2^4021040977 is an apocalyptic number.

It is an amenable number.

4021040977 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021040977 is an equidigital number, since it uses as much as digits as its factorization.

4021040977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 4021040977 is about 63411.6785537175. The cubic root of 4021040977 is about 1590.1795581931.

The spelling of 4021040977 in words is "four billion, twenty-one million, forty thousand, nine hundred seventy-seven".