120619996639 has 2 divisors, whose sum is σ = 120619996640. Its totient is φ = 120619996638.

The previous prime is 120619996621. The next prime is 120619996649. The reversal of 120619996639 is 936699916021.

It is a strong prime.

It is an emirp because it is prime and its reverse (936699916021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120619996639 - 2²¹ = 120617899487 is a prime.

It is a super-3 number, since 3×120619996639³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120619996649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60309998319 + 60309998320.

It is an arithmetic number, because the mean of its divisors is an integer number (60309998320).

Almost surely, 2^120619996639 is an apocalyptic number.

120619996639 is a deficient number, since it is larger than the sum of its proper divisors (1).

120619996639 is an equidigital number, since it uses as much as digits as its factorization.

120619996639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8503056, while the sum is 61.

The spelling of 120619996639 in words is "one hundred twenty billion, six hundred nineteen million, nine hundred ninety-six thousand, six hundred thirty-nine".