1039681652 has 6 divisors (see below), whose sum is σ = 1819442898. Its totient is φ = 519840824.

The previous prime is 1039681619. The next prime is 1039681661. The reversal of 1039681652 is 2561869301.

It can be written as a sum of positive squares in only one way, i.e., 1003368976 + 36312676 = 31676^2 + 6026^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129960203 + ... + 129960210.

It is an arithmetic number, because the mean of its divisors is an integer number (303240483).

Almost surely, 2^1039681652 is an apocalyptic number.

It is an amenable number.

1039681652 is a deficient number, since it is larger than the sum of its proper divisors (779761246).

1039681652 is a wasteful number, since it uses less digits than its factorization.

1039681652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259920417 (or 259920415 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 1039681652 is about 32244.0948392105. The cubic root of 1039681652 is about 1013.0560159402.

The spelling of 1039681652 in words is "one billion, thirty-nine million, six hundred eighty-one thousand, six hundred fifty-two".