1907146049 has 2 divisors, whose sum is σ = 1907146050. Its totient is φ = 1907146048.

The previous prime is 1907146027. The next prime is 1907146061. The reversal of 1907146049 is 9406417091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1032465424 + 874680625 = 32132^2 + 29575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1907146049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1907145997 and 1907146015.

It is not a weakly prime, because it can be changed into another prime (1907146099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 953573024 + 953573025.

It is an arithmetic number, because the mean of its divisors is an integer number (953573025).

Almost surely, 2^1907146049 is an apocalyptic number.

It is an amenable number.

1907146049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1907146049 is an equidigital number, since it uses as much as digits as its factorization.

1907146049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 1907146049 is about 43670.8833091340. The cubic root of 1907146049 is about 1240.1131636664.

The spelling of 1907146049 in words is "one billion, nine hundred seven million, one hundred forty-six thousand, forty-nine".