1631303540929 has 8 divisors (see below), whose sum is σ = 1670694691752. Its totient is φ = 1592231347200.

The previous prime is 1631303540921. The next prime is 1631303541017. The reversal of 1631303540929 is 9290453031361.

It can be written as a sum of positive squares in 4 ways, for example, as 174811791025 + 1456491749904 = 418105^2 + 1206852^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1631303540929 - 2³ = 1631303540921 is a prime.

It is a super-2 number, since 2×1631303540929² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1631303540921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79728922 + ... + 79749379.

It is an arithmetic number, because the mean of its divisors is an integer number (208836836469).

Almost surely, 2^{1631303540929} is an apocalyptic number.

It is an amenable number.

1631303540929 is a deficient number, since it is larger than the sum of its proper divisors (39391150823).

1631303540929 is a wasteful number, since it uses less digits than its factorization.

1631303540929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159478547.

The product of its (nonzero) digits is 524880, while the sum is 46.

The spelling of 1631303540929 in words is "one trillion, six hundred thirty-one billion, three hundred three million, five hundred forty thousand, nine hundred twenty-nine".