1407690497 has 2 divisors, whose sum is σ = 1407690498. Its totient is φ = 1407690496.

The previous prime is 1407690461. The next prime is 1407690503. The reversal of 1407690497 is 7940967041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 939790336 + 467900161 = 30656^2 + 21631^2 .

It is a cyclic number.

It is not a de Polignac number, because 1407690497 - 2¹⁶ = 1407624961 is a prime.

It is not a weakly prime, because it can be changed into another prime (1407690407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703845248 + 703845249.

It is an arithmetic number, because the mean of its divisors is an integer number (703845249).

Almost surely, 2^1407690497 is an apocalyptic number.

It is an amenable number.

1407690497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1407690497 is an equidigital number, since it uses as much as digits as its factorization.

1407690497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 1407690497 is about 37519.2017105908. The cubic root of 1407690497 is about 1120.7336012838.

The spelling of 1407690497 in words is "one billion, four hundred seven million, six hundred ninety thousand, four hundred ninety-seven".