1061992451497 has 2 divisors, whose sum is σ = 1061992451498. Its totient is φ = 1061992451496.

The previous prime is 1061992451483. The next prime is 1061992451549. The reversal of 1061992451497 is 7941542991601.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 987670241856 + 74322209641 = 993816^2 + 272621^2 .

It is a cyclic number.

It is not a de Polignac number, because 1061992451497 - 2¹¹ = 1061992449449 is a prime.

It is a super-2 number, since 2×1061992451497² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1061992451407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530996225748 + 530996225749.

It is an arithmetic number, because the mean of its divisors is an integer number (530996225749).

Almost surely, 2^{1061992451497} is an apocalyptic number.

It is an amenable number.

1061992451497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061992451497 is an equidigital number, since it uses as much as digits as its factorization.

1061992451497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4898880, while the sum is 58.

The spelling of 1061992451497 in words is "one trillion, sixty-one billion, nine hundred ninety-two million, four hundred fifty-one thousand, four hundred ninety-seven".