1979379403 has 2 divisors, whose sum is σ = 1979379404. Its totient is φ = 1979379402.

The previous prime is 1979379361. The next prime is 1979379407. The reversal of 1979379403 is 3049739791.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1979379403 - 2¹⁷ = 1979248331 is a prime.

It is not a weakly prime, because it can be changed into another prime (1979379407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 989689701 + 989689702.

It is an arithmetic number, because the mean of its divisors is an integer number (989689702).

Almost surely, 2^1979379403 is an apocalyptic number.

1979379403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1979379403 is an equidigital number, since it uses as much as digits as its factorization.

1979379403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1285956, while the sum is 52.

The square root of 1979379403 is about 44490.2169358613. The cubic root of 1979379403 is about 1255.5760286446.

The spelling of 1979379403 in words is "one billion, nine hundred seventy-nine million, three hundred seventy-nine thousand, four hundred three".