4155191039 has 2 divisors, whose sum is σ = 4155191040. Its totient is φ = 4155191038.

The previous prime is 4155191009. The next prime is 4155191099. The reversal of 4155191039 is 9301915514.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4155191039 - 2¹⁶ = 4155125503 is a prime.

It is a super-2 number, since 2×4155191039² = 34531225141171799042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4155190993 and 4155191011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4155191009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2077595519 + 2077595520.

It is an arithmetic number, because the mean of its divisors is an integer number (2077595520).

Almost surely, 2^4155191039 is an apocalyptic number.

4155191039 is a deficient number, since it is larger than the sum of its proper divisors (1).

4155191039 is an equidigital number, since it uses as much as digits as its factorization.

4155191039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 38.

The square root of 4155191039 is about 64460.7713186865. The cubic root of 4155191039 is about 1607.6703364878.

The spelling of 4155191039 in words is "four billion, one hundred fifty-five million, one hundred ninety-one thousand, thirty-nine".