1421914937 has 4 divisors (see below), whose sum is σ = 1443137616. Its totient is φ = 1400692260.

The previous prime is 1421914933. The next prime is 1421914943. The reversal of 1421914937 is 7394191241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7394191241 = 1229 ⋅6016429.

It is a cyclic number.

It is not a de Polignac number, because 1421914937 - 2² = 1421914933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1421914894 and 1421914903.

It is not an unprimeable number, because it can be changed into a prime (1421914933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10611239 + ... + 10611372.

It is an arithmetic number, because the mean of its divisors is an integer number (360784404).

Almost surely, 2^1421914937 is an apocalyptic number.

It is an amenable number.

1421914937 is a deficient number, since it is larger than the sum of its proper divisors (21222679).

1421914937 is an equidigital number, since it uses as much as digits as its factorization.

1421914937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21222678.

The product of its digits is 54432, while the sum is 41.

The square root of 1421914937 is about 37708.2873782409. The cubic root of 1421914937 is about 1124.4958892371.

The spelling of 1421914937 in words is "one billion, four hundred twenty-one million, nine hundred fourteen thousand, nine hundred thirty-seven".