61290969197603 has 2 divisors, whose sum is σ = 61290969197604. Its totient is φ = 61290969197602.

The previous prime is 61290969197551. The next prime is 61290969197617. The reversal of 61290969197603 is 30679196909216.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61290969197603 - 2⁸ = 61290969197347 is a prime.

It is not a weakly prime, because it can be changed into another prime (61290969197683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30645484598801 + 30645484598802.

It is an arithmetic number, because the mean of its divisors is an integer number (30645484598802).

Almost surely, 2^{61290969197603} is an apocalyptic number.

61290969197603 is a deficient number, since it is larger than the sum of its proper divisors (1).

61290969197603 is an equidigital number, since it uses as much as digits as its factorization.

61290969197603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 59521392, while the sum is 68.

The spelling of 61290969197603 in words is "sixty-one trillion, two hundred ninety billion, nine hundred sixty-nine million, one hundred ninety-seven thousand, six hundred three".