1025234990977 has 2 divisors, whose sum is σ = 1025234990978. Its totient is φ = 1025234990976.

The previous prime is 1025234990971. The next prime is 1025234991013. The reversal of 1025234990977 is 7790994325201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 518456161521 + 506778829456 = 720039^2 + 711884^2 .

It is a cyclic number.

It is not a de Polignac number, because 1025234990977 - 2¹¹ = 1025234988929 is a prime.

It is a super-2 number, since 2×1025234990977² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1025234990971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512617495488 + 512617495489.

It is an arithmetic number, because the mean of its divisors is an integer number (512617495489).

Almost surely, 2^{1025234990977} is an apocalyptic number.

It is an amenable number.

1025234990977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025234990977 is an equidigital number, since it uses as much as digits as its factorization.

1025234990977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8573040, while the sum is 58.

The spelling of 1025234990977 in words is "one trillion, twenty-five billion, two hundred thirty-four million, nine hundred ninety thousand, nine hundred seventy-seven".