1377650033 has 2 divisors, whose sum is σ = 1377650034. Its totient is φ = 1377650032.

The previous prime is 1377649997. The next prime is 1377650077. The reversal of 1377650033 is 3300567731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1331301169 + 46348864 = 36487^2 + 6808^2 .

It is a cyclic number.

It is not a de Polignac number, because 1377650033 - 2¹² = 1377645937 is a prime.

It is a super-2 number, since 2×1377650033² = 3795839226849802178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1377649975 and 1377650002.

It is not a weakly prime, because it can be changed into another prime (1377650093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688825016 + 688825017.

It is an arithmetic number, because the mean of its divisors is an integer number (688825017).

Almost surely, 2^1377650033 is an apocalyptic number.

It is an amenable number.

1377650033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377650033 is an equidigital number, since it uses as much as digits as its factorization.

1377650033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 35.

The square root of 1377650033 is about 37116.7082726903. The cubic root of 1377650033 is about 1112.7039650941.

The spelling of 1377650033 in words is "one billion, three hundred seventy-seven million, six hundred fifty thousand, thirty-three".