1700978051 has 2 divisors, whose sum is σ = 1700978052. Its totient is φ = 1700978050.

The previous prime is 1700977973. The next prime is 1700978053. The reversal of 1700978051 is 1508790071.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1700978051 - 2²⁶ = 1633869187 is a prime.

Together with 1700978053, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1700977996 and 1700978014.

It is not a weakly prime, because it can be changed into another prime (1700978053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 850489025 + 850489026.

It is an arithmetic number, because the mean of its divisors is an integer number (850489026).

Almost surely, 2^1700978051 is an apocalyptic number.

1700978051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1700978051 is an equidigital number, since it uses as much as digits as its factorization.

1700978051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 38.

The square root of 1700978051 is about 41242.9151612735. The cubic root of 1700978051 is about 1193.7120279361.

The spelling of 1700978051 in words is "one billion, seven hundred million, nine hundred seventy-eight thousand, fifty-one".