1971059036 has 24 divisors (see below), whose sum is σ = 3487615824. Its totient is φ = 974620800.

The previous prime is 1971059009. The next prime is 1971059047. The reversal of 1971059036 is 6309501791.

It is a junction number, because it is equal to n+sod(n) for n = 1971058984 and 1971059002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414971 + ... + 419693.

It is an arithmetic number, because the mean of its divisors is an integer number (145317326).

Almost surely, 2^1971059036 is an apocalyptic number.

It is an amenable number.

1971059036 is a deficient number, since it is larger than the sum of its proper divisors (1516556788).

1971059036 is a wasteful number, since it uses less digits than its factorization.

1971059036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5861 (or 5859 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 1971059036 is about 44396.6106363988. The cubic root of 1971059036 is about 1253.8142768751.

The spelling of 1971059036 in words is "one billion, nine hundred seventy-one million, fifty-nine thousand, thirty-six".