1927929473001 has 81 divisors (see below), whose sum is σ = 3331229151159. Its totient is φ = 1071299180448.

The previous prime is 1927929472999. The next prime is 1927929473009. The reversal of 1927929473001 is 1003749297291.

It is a happy number.

The square root of 1927929473001 is 1388499.

It is a perfect power (a square), and thus also a powerful number.

1927929473001 is a `hidden beast` number, since 1 + 9 + 279 + 29 + 47 + 300 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1725137768025 + 202791704976 = 1313445^2 + 450324^2 .

It is not a de Polignac number, because 1927929473001 - 2¹ = 1927929472999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1927929473009) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1078862830 + ... + 1078864616.

Almost surely, 2^{1927929473001} is an apocalyptic number.

1927929473001 is the 1388499-th square number.

1927929473001 is the 694250-th centered octagonal number.

It is an amenable number.

1927929473001 is a deficient number, since it is larger than the sum of its proper divisors (1403299678158).

1927929473001 is an frugal number, since it uses more digits than its factorization.

1927929473001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3668 (or 1834 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 54.

The spelling of 1927929473001 in words is "one trillion, nine hundred twenty-seven billion, nine hundred twenty-nine million, four hundred seventy-three thousand, one".