42099704232877 has 2 divisors, whose sum is σ = 42099704232878. Its totient is φ = 42099704232876.

The previous prime is 42099704232811. The next prime is 42099704232961. The reversal of 42099704232877 is 77823240799024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36840116995236 + 5259587237641 = 6069606^2 + 2293379^2 .

It is a cyclic number.

It is not a de Polignac number, because 42099704232877 - 2¹⁵ = 42099704200109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42099704262877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21049852116438 + 21049852116439.

It is an arithmetic number, because the mean of its divisors is an integer number (21049852116439).

Almost surely, 2^{42099704232877} is an apocalyptic number.

It is an amenable number.

42099704232877 is a deficient number, since it is larger than the sum of its proper divisors (1).

42099704232877 is an equidigital number, since it uses as much as digits as its factorization.

42099704232877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 85349376, while the sum is 64.

The spelling of 42099704232877 in words is "forty-two trillion, ninety-nine billion, seven hundred four million, two hundred thirty-two thousand, eight hundred seventy-seven".