3505872047 has 2 divisors, whose sum is σ = 3505872048. Its totient is φ = 3505872046.

The previous prime is 3505872017. The next prime is 3505872061. The reversal of 3505872047 is 7402785053.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3505872047 - 2⁸ = 3505871791 is a prime.

It is a super-2 number, since 2×3505872047² = 24582277619871940418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3505871995 and 3505872013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3505872017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1752936023 + 1752936024.

It is an arithmetic number, because the mean of its divisors is an integer number (1752936024).

Almost surely, 2^3505872047 is an apocalyptic number.

3505872047 is a deficient number, since it is larger than the sum of its proper divisors (1).

3505872047 is an equidigital number, since it uses as much as digits as its factorization.

3505872047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 3505872047 is about 59210.4048879924. The cubic root of 3505872047 is about 1519.1431064424.

The spelling of 3505872047 in words is "three billion, five hundred five million, eight hundred seventy-two thousand, forty-seven".