1902036797 has 2 divisors, whose sum is σ = 1902036798. Its totient is φ = 1902036796.

The previous prime is 1902036793. The next prime is 1902036817. The reversal of 1902036797 is 7976302091.

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., 1366854841 + 535181956 = 36971^2 + 23134^2 .

It is a cyclic number.

It is not a de Polignac number, because 1902036797 - 2² = 1902036793 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1902036793) 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, 951018398 + 951018399.

It is an arithmetic number, because the mean of its divisors is an integer number (951018399).

Almost surely, 2^1902036797 is an apocalyptic number.

It is an amenable number.

1902036797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1902036797 is an equidigital number, since it uses as much as digits as its factorization.

1902036797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 142884, while the sum is 44.

The square root of 1902036797 is about 43612.3468412329. The cubic root of 1902036797 is about 1239.0047505302.

The spelling of 1902036797 in words is "one billion, nine hundred two million, thirty-six thousand, seven hundred ninety-seven".