2120387769407 has 2 divisors, whose sum is σ = 2120387769408. Its totient is φ = 2120387769406.

The previous prime is 2120387769371. The next prime is 2120387769421. The reversal of 2120387769407 is 7049677830212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2120387769407 - 2³⁴ = 2103207900223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120387769497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060193884703 + 1060193884704.

It is an arithmetic number, because the mean of its divisors is an integer number (1060193884704).

Almost surely, 2^{2120387769407} is an apocalyptic number.

2120387769407 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120387769407 is an equidigital number, since it uses as much as digits as its factorization.

2120387769407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7112448, while the sum is 56.

The spelling of 2120387769407 in words is "two trillion, one hundred twenty billion, three hundred eighty-seven million, seven hundred sixty-nine thousand, four hundred seven".